Rules to Remember When solving an equation, the goal is to get the variable by itself. Addition and Subtraction are inverse operations. (opposites) Multiplication.

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Presentation transcript:

Rules to Remember When solving an equation, the goal is to get the variable by itself. Addition and Subtraction are inverse operations. (opposites) Multiplication and Division are inverse operations. (opposites)

You must add or subtract from both sides of the equation X = 20w - 10 = = = x = 10 w - 0 = 30 x = 10w = 30

R – 77 = 99 A.R = 22 B.R = 166 C.R = 176 D.R = 175 [Default] [MC Any] [MC All]

V – 66 = 102 A.V = 36 B.V = 44 C.V = 158 D.V = 168 [Default] [MC Any] [MC All]

After a gain of 9 yards, the T-Wolves have gained a total of 23 yards. How many yards had the T-Wolves gained before the 9 yard gain? A.36 yards B.17 yards C.32 yards D.14 yards [Default] [MC Any] [MC All]

x – 2.2 = 6 A.x = 8.2 B.x = 3.8 C.x = 28 D.x = 2.8 [Default] [MC Any] [MC All]

w + 19 = 62 A.w = 53 B.w = 62 C.w = 81 D.w = 43

-97 = t + 45 A.t = -52 B.t = 142 C.t = 52 D.t = -142 [Default] [MC Any] [MC All]

Hailey read 8 books in April. If her book club requires her to read 6 books each month, how many more books did she read than what was required? A.2 books B.14 books C.8 books D.10 books [Default] [MC Any] [MC All]

q + 13 = 112 A.q = 126 B.q = 89 C.q = 125 D.q = 99 [Default] [MC Any] [MC All]

44 = n A.n = 60 B.n = 28 C.n = -44 D.n = -32 [Default] [MC Any] [MC All]

Taylor has read 78 pages of The Giver. The book has 203 pages. How many pages of the book does Taylor have left to read? A.281 pages B.275 pages C.125 pages D.136 pages [Default] [MC Any] [MC All]

32 + d = 1400 A.d = 1432 B.d = 1368 C.d = 1367 D.d = 1268

987 = 16 + m A.m = 985 B.m = 1005 C.m = 971 D.m = 973

Tristan is on a field trip. He has to travel 56 miles to reach his destination. He has traveled 18 miles so far. How much farther does he have to travel? A.36 miles B.38 miles C.74 miles D.42 miles [Default] [MC Any] [MC All]

In an online poll, 1,927 people voted for Coach as the best job at the Superbowl. The job of Announcer received 8,055 more votes. How many people voted for Announcer? A.2,674 votes B.6,128 votes C.9,982 votes D.10,182 votes

The first track on Sean’s new CD has been playing for 55 seconds. This is 42 seconds less than the time of the entire first track. How long is the first track on his CD? A.97 seconds B.63 seconds C.93 seconds D.37 seconds [Default] [MC Any] [MC All]