3x+-4(2x+-5)+-5x=3x+7

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Solution for 3x+-4(2x+-5)+-5x=3x+7 equation:


Simplifying
3x + -4(2x + -5) + -5x = 3x + 7

Reorder the terms:
3x + -4(-5 + 2x) + -5x = 3x + 7
3x + (-5 * -4 + 2x * -4) + -5x = 3x + 7
3x + (20 + -8x) + -5x = 3x + 7

Reorder the terms:
20 + 3x + -8x + -5x = 3x + 7

Combine like terms: 3x + -8x = -5x
20 + -5x + -5x = 3x + 7

Combine like terms: -5x + -5x = -10x
20 + -10x = 3x + 7

Reorder the terms:
20 + -10x = 7 + 3x

Solving
20 + -10x = 7 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
20 + -10x + -3x = 7 + 3x + -3x

Combine like terms: -10x + -3x = -13x
20 + -13x = 7 + 3x + -3x

Combine like terms: 3x + -3x = 0
20 + -13x = 7 + 0
20 + -13x = 7

Add '-20' to each side of the equation.
20 + -20 + -13x = 7 + -20

Combine like terms: 20 + -20 = 0
0 + -13x = 7 + -20
-13x = 7 + -20

Combine like terms: 7 + -20 = -13
-13x = -13

Divide each side by '-13'.
x = 1

Simplifying
x = 1

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