x-8x-4+7=18+3x

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Solution for x-8x-4+7=18+3x equation:


Simplifying
x + -8x + -4 + 7 = 18 + 3x

Reorder the terms:
-4 + 7 + x + -8x = 18 + 3x

Combine like terms: -4 + 7 = 3
3 + x + -8x = 18 + 3x

Combine like terms: x + -8x = -7x
3 + -7x = 18 + 3x

Solving
3 + -7x = 18 + 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.
3 + -7x + -3x = 18 + 3x + -3x

Combine like terms: -7x + -3x = -10x
3 + -10x = 18 + 3x + -3x

Combine like terms: 3x + -3x = 0
3 + -10x = 18 + 0
3 + -10x = 18

Add '-3' to each side of the equation.
3 + -3 + -10x = 18 + -3

Combine like terms: 3 + -3 = 0
0 + -10x = 18 + -3
-10x = 18 + -3

Combine like terms: 18 + -3 = 15
-10x = 15

Divide each side by '-10'.
x = -1.5

Simplifying
x = -1.5

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