9(x-2)-7(x+1)=-15

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Solution for 9(x-2)-7(x+1)=-15 equation: 


Simplifying
9(x + -2) + -7(x + 1) = -15

Reorder the terms:
9(-2 + x) + -7(x + 1) = -15
(-2 * 9 + x * 9) + -7(x + 1) = -15
(-18 + 9x) + -7(x + 1) = -15

Reorder the terms:
-18 + 9x + -7(1 + x) = -15
-18 + 9x + (1 * -7 + x * -7) = -15
-18 + 9x + (-7 + -7x) = -15

Reorder the terms:
-18 + -7 + 9x + -7x = -15

Combine like terms: -18 + -7 = -25
-25 + 9x + -7x = -15

Combine like terms: 9x + -7x = 2x
-25 + 2x = -15

Solving
-25 + 2x = -15

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '25' to each side of the equation.
-25 + 25 + 2x = -15 + 25

Combine like terms: -25 + 25 = 0
0 + 2x = -15 + 25
2x = -15 + 25

Combine like terms: -15 + 25 = 10
2x = 10

Divide each side by '2'.
x = 5

Simplifying
x = 5

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