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Published byLewis Davidson Modified over 5 years ago
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Equation Competition Each student will solve the equations.
As a group, the students will decide on a final answer. If the group’s answer is correct they will receive a point. GOOD LUCK!
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1) Solve 3x + 2 = 4x - 1 - 3x x 2 = x - 1 3 = x 3(3) + 2 = 4(3) - 1 9 + 2 =
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2) Solve 8y - 9 = -3y + 2 + 3y y 11y – 9 = 11y = y = 1 8(1) - 9 = -3(1) + 2
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3) 3(x + 1) - 5 = 3x - 2 3x + 3 – 5 = 3x - 2 3x - 2 = 3x – 2 -3x x -2 = -2 This is always true! Infinite solutions
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4)What is the value of x if… 3 - 4x = 18 + x
-3 3 Answer Now
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5) Solve 4 = 7x - 3x 4 = 4x 1 = x 4 = 7(1) - 3(1)
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7) x =7
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8) Solve -7(x - 3) = -7 -7x + 21 = -7 -7x = -28 x = 4 -7(4 - 3) = -7 -7(1) = -7
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9) 2x + 5 = 2x - 3 -2x x 5 = -3 This is never true! No solutions
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10) Solve 3 - 2x = 4x – 6 + 2x +2x 3 = 6x – 6 + 6 + 6 9 = 6x 6 6
= 6x or 1.5 = x
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11)What is the value of x if … 3(x + 4) = 2(x - 1)
-14 -13 13 14 Answer Now
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12)What is the value of x if … -8(x + 1) + 3(x - 2) = -3x + 2
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13)What is the value of x if … -3 + 12x = 12x - 3
Infinite solutions
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Final Question. How many of your points do you want to wager
Final Question! How many of your points do you want to wager? Your wager must be more than 0 points!
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Solve
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