2(3x-4)-4(5x+1)=-8x+7

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Solution for 2(3x-4)-4(5x+1)=-8x+7 equation:


Simplifying
2(3x + -4) + -4(5x + 1) = -8x + 7

Reorder the terms:
2(-4 + 3x) + -4(5x + 1) = -8x + 7
(-4 * 2 + 3x * 2) + -4(5x + 1) = -8x + 7
(-8 + 6x) + -4(5x + 1) = -8x + 7

Reorder the terms:
-8 + 6x + -4(1 + 5x) = -8x + 7
-8 + 6x + (1 * -4 + 5x * -4) = -8x + 7
-8 + 6x + (-4 + -20x) = -8x + 7

Reorder the terms:
-8 + -4 + 6x + -20x = -8x + 7

Combine like terms: -8 + -4 = -12
-12 + 6x + -20x = -8x + 7

Combine like terms: 6x + -20x = -14x
-12 + -14x = -8x + 7

Reorder the terms:
-12 + -14x = 7 + -8x

Solving
-12 + -14x = 7 + -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.
-12 + -14x + 8x = 7 + -8x + 8x

Combine like terms: -14x + 8x = -6x
-12 + -6x = 7 + -8x + 8x

Combine like terms: -8x + 8x = 0
-12 + -6x = 7 + 0
-12 + -6x = 7

Add '12' to each side of the equation.
-12 + 12 + -6x = 7 + 12

Combine like terms: -12 + 12 = 0
0 + -6x = 7 + 12
-6x = 7 + 12

Combine like terms: 7 + 12 = 19
-6x = 19

Divide each side by '-6'.
x = -3.166666667

Simplifying
x = -3.166666667

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