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

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


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

Reorder the terms:
-4 + 3x + -8x = 7 + -8x

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

Solving
-4 + -5x = 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.
-4 + -5x + 8x = 7 + -8x + 8x

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

Combine like terms: -8x + 8x = 0
-4 + 3x = 7 + 0
-4 + 3x = 7

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

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

Combine like terms: 7 + 4 = 11
3x = 11

Divide each side by '3'.
x = 3.666666667

Simplifying
x = 3.666666667

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