SOLUTION: Solve: a) 7x - 10 = 12 b) 3x = 9x - 15 c) 4(x - 9) = (x - 5) + 9

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Question 282243: Solve:
a) 7x - 10 = 12
b) 3x = 9x - 15
c) 4(x - 9) = (x - 5) + 9

Answer by Mathematicians(84)   (Show Source): You can put this solution on YOUR website!
a)
b)
c)

For part a:
a)
add 10 on both sides
divide 7 on both sides

For part b:
b)
subtract 9x on both sides
divide both sides by -6 and simplify
For part c:
c)
combine like terms and distribute
subtract x on both sides and add 36 on both sides
divide 3 on both sides


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