-3x-2(9+5x)=15-4(2x-4)

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Solution for -3x-2(9+5x)=15-4(2x-4) equation:


Simplifying
-3x + -2(9 + 5x) = 15 + -4(2x + -4)
-3x + (9 * -2 + 5x * -2) = 15 + -4(2x + -4)
-3x + (-18 + -10x) = 15 + -4(2x + -4)

Reorder the terms:
-18 + -3x + -10x = 15 + -4(2x + -4)

Combine like terms: -3x + -10x = -13x
-18 + -13x = 15 + -4(2x + -4)

Reorder the terms:
-18 + -13x = 15 + -4(-4 + 2x)
-18 + -13x = 15 + (-4 * -4 + 2x * -4)
-18 + -13x = 15 + (16 + -8x)

Combine like terms: 15 + 16 = 31
-18 + -13x = 31 + -8x

Solving
-18 + -13x = 31 + -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.
-18 + -13x + 8x = 31 + -8x + 8x

Combine like terms: -13x + 8x = -5x
-18 + -5x = 31 + -8x + 8x

Combine like terms: -8x + 8x = 0
-18 + -5x = 31 + 0
-18 + -5x = 31

Add '18' to each side of the equation.
-18 + 18 + -5x = 31 + 18

Combine like terms: -18 + 18 = 0
0 + -5x = 31 + 18
-5x = 31 + 18

Combine like terms: 31 + 18 = 49
-5x = 49

Divide each side by '-5'.
x = -9.8

Simplifying
x = -9.8

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