-3-x=3x+5x+7

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Solution for -3-x=3x+5x+7 equation:


Simplifying
-3 + -1x = 3x + 5x + 7

Reorder the terms:
-3 + -1x = 7 + 3x + 5x

Combine like terms: 3x + 5x = 8x
-3 + -1x = 7 + 8x

Solving
-3 + -1x = 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.
-3 + -1x + -8x = 7 + 8x + -8x

Combine like terms: -1x + -8x = -9x
-3 + -9x = 7 + 8x + -8x

Combine like terms: 8x + -8x = 0
-3 + -9x = 7 + 0
-3 + -9x = 7

Add '3' to each side of the equation.
-3 + 3 + -9x = 7 + 3

Combine like terms: -3 + 3 = 0
0 + -9x = 7 + 3
-9x = 7 + 3

Combine like terms: 7 + 3 = 10
-9x = 10

Divide each side by '-9'.
x = -1.111111111

Simplifying
x = -1.111111111

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