Algebra Week 3 Bellringer

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Presentation transcript:

Algebra Week 3 Bellringer

K -11 +11 = -21 -11 K = -21-11 K = -21 + -11 K = -32 -12+w = -36 A# 2-1 NAME_______________________________________________________________DATE___________________PER._____ SOLVING ONE-STEP EQUATIONS Solve each equation, checking your solution on your calculator. Ask yourself, “Self, what is the inverse operation of _____________________.” K -11 +11 = -21 -11 K = -21-11 K = -21 + -11 K = -32 -12+w = -36 +12-12+w=+12-36 W= -23

Ask yourself, “Self, what is the inverse operation of _____________________.” -3.7 +2.4 = m + 3.7-3.7 -1.3 = m 0 = x + (-1.4) 0 + 1.4 = x -1.4 + 1.4 1.4 = x

Ask yourself, “Self, what is the inverse operation of _____________________.”

H- 26 = -29 H -26 + 26 = -29+26 H = -3 X – (- 16) = 9 X – - 16 = 9 X ++ 16 = 9 X + 16 – 16 = -16 + 9 X = -5

5x = -45 5x = -45 5 X = -9 -434 = -31y -434 = -31 y 31 = 31 y 14 = y

-1 y = -8 6 = -2 m 2 3 2 -1 y = -8 * 2 -3 *6 = 3 * -2 m 1 2 1 2 2 3 Y = -16 -18 = m 2 -9 = m 1.7b = -39.1 5 * 2 x = -10 * 5 1.7 = 1.7 2 5 = 2 b = 23 X = -10 * 5 = -50 2 2 X = 25

14 = - 7 a 3 3 * 14 = -7 * - 3 a 7 = 3 7 42 = a 7 -6 = a - |x| + a-b - |-3| + 3-4 - 3 + -1 = -4 3 (3 - (2 * -1) ) – (2*3) + (3* -1) 3 (3 - (-1) ) – (6) + (-1) 3 (4) – (6) + (-1) 12 - 5 = 7 Assoc. Dist.