9x-(3x+8)=7x-15

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Solution for 9x-(3x+8)=7x-15 equation:


Simplifying
9x + -1(3x + 8) = 7x + -15

Reorder the terms:
9x + -1(8 + 3x) = 7x + -15
9x + (8 * -1 + 3x * -1) = 7x + -15
9x + (-8 + -3x) = 7x + -15

Reorder the terms:
-8 + 9x + -3x = 7x + -15

Combine like terms: 9x + -3x = 6x
-8 + 6x = 7x + -15

Reorder the terms:
-8 + 6x = -15 + 7x

Solving
-8 + 6x = -15 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
-8 + 6x + -7x = -15 + 7x + -7x

Combine like terms: 6x + -7x = -1x
-8 + -1x = -15 + 7x + -7x

Combine like terms: 7x + -7x = 0
-8 + -1x = -15 + 0
-8 + -1x = -15

Add '8' to each side of the equation.
-8 + 8 + -1x = -15 + 8

Combine like terms: -8 + 8 = 0
0 + -1x = -15 + 8
-1x = -15 + 8

Combine like terms: -15 + 8 = -7
-1x = -7

Divide each side by '-1'.
x = 7

Simplifying
x = 7

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