3x+4=-8x+7

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Solution for 3x+4=-8x+7 equation:


Simplifying
3x + 4 = -8x + 7

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

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

Solving
4 + 3x = 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 + 3x + 8x = 7 + -8x + 8x

Combine like terms: 3x + 8x = 11x
4 + 11x = 7 + -8x + 8x

Combine like terms: -8x + 8x = 0
4 + 11x = 7 + 0
4 + 11x = 7

Add '-4' to each side of the equation.
4 + -4 + 11x = 7 + -4

Combine like terms: 4 + -4 = 0
0 + 11x = 7 + -4
11x = 7 + -4

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

Divide each side by '11'.
x = 0.2727272727

Simplifying
x = 0.2727272727

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