4x-(3x+7)=9x-15

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Solution for 4x-(3x+7)=9x-15 equation:


Simplifying
4x + -1(3x + 7) = 9x + -15

Reorder the terms:
4x + -1(7 + 3x) = 9x + -15
4x + (7 * -1 + 3x * -1) = 9x + -15
4x + (-7 + -3x) = 9x + -15

Reorder the terms:
-7 + 4x + -3x = 9x + -15

Combine like terms: 4x + -3x = 1x
-7 + 1x = 9x + -15

Reorder the terms:
-7 + 1x = -15 + 9x

Solving
-7 + 1x = -15 + 9x

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
-7 + 1x + -9x = -15 + 9x + -9x

Combine like terms: 1x + -9x = -8x
-7 + -8x = -15 + 9x + -9x

Combine like terms: 9x + -9x = 0
-7 + -8x = -15 + 0
-7 + -8x = -15

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

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

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

Divide each side by '-8'.
x = 1

Simplifying
x = 1

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