-5x+2-(-8x-7)=15

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Solution for -5x+2-(-8x-7)=15 equation:


Simplifying
-5x + 2 + -1(-8x + -7) = 15

Reorder the terms:
-5x + 2 + -1(-7 + -8x) = 15
-5x + 2 + (-7 * -1 + -8x * -1) = 15
-5x + 2 + (7 + 8x) = 15

Reorder the terms:
2 + 7 + -5x + 8x = 15

Combine like terms: 2 + 7 = 9
9 + -5x + 8x = 15

Combine like terms: -5x + 8x = 3x
9 + 3x = 15

Solving
9 + 3x = 15

Solving for variable 'x'.

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

Add '-9' to each side of the equation.
9 + -9 + 3x = 15 + -9

Combine like terms: 9 + -9 = 0
0 + 3x = 15 + -9
3x = 15 + -9

Combine like terms: 15 + -9 = 6
3x = 6

Divide each side by '3'.
x = 2

Simplifying
x = 2

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