4-(9x+4x)=2(4-4x)+7

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Solution for 4-(9x+4x)=2(4-4x)+7 equation:


Simplifying
4 + -1(9x + 4x) = 2(4 + -4x) + 7

Combine like terms: 9x + 4x = 13x
4 + -1(13x) = 2(4 + -4x) + 7

Remove parenthesis around (13x)
4 + -1 * 13x = 2(4 + -4x) + 7

Multiply -1 * 13
4 + -13x = 2(4 + -4x) + 7
4 + -13x = (4 * 2 + -4x * 2) + 7
4 + -13x = (8 + -8x) + 7

Reorder the terms:
4 + -13x = 8 + 7 + -8x

Combine like terms: 8 + 7 = 15
4 + -13x = 15 + -8x

Solving
4 + -13x = 15 + -8x

Solving for variable 'x'.

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

Add '8x' to each side of the equation.
4 + -13x + 8x = 15 + -8x + 8x

Combine like terms: -13x + 8x = -5x
4 + -5x = 15 + -8x + 8x

Combine like terms: -8x + 8x = 0
4 + -5x = 15 + 0
4 + -5x = 15

Add '-4' to each side of the equation.
4 + -4 + -5x = 15 + -4

Combine like terms: 4 + -4 = 0
0 + -5x = 15 + -4
-5x = 15 + -4

Combine like terms: 15 + -4 = 11
-5x = 11

Divide each side by '-5'.
x = -2.2

Simplifying
x = -2.2

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