9x-(x-7)=5x+4

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Solution for 9x-(x-7)=5x+4 equation:


Simplifying
9x + -1(x + -7) = 5x + 4

Reorder the terms:
9x + -1(-7 + x) = 5x + 4
9x + (-7 * -1 + x * -1) = 5x + 4
9x + (7 + -1x) = 5x + 4

Reorder the terms:
7 + 9x + -1x = 5x + 4

Combine like terms: 9x + -1x = 8x
7 + 8x = 5x + 4

Reorder the terms:
7 + 8x = 4 + 5x

Solving
7 + 8x = 4 + 5x

Solving for variable 'x'.

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

Add '-5x' to each side of the equation.
7 + 8x + -5x = 4 + 5x + -5x

Combine like terms: 8x + -5x = 3x
7 + 3x = 4 + 5x + -5x

Combine like terms: 5x + -5x = 0
7 + 3x = 4 + 0
7 + 3x = 4

Add '-7' to each side of the equation.
7 + -7 + 3x = 4 + -7

Combine like terms: 7 + -7 = 0
0 + 3x = 4 + -7
3x = 4 + -7

Combine like terms: 4 + -7 = -3
3x = -3

Divide each side by '3'.
x = -1

Simplifying
x = -1

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