3x+40=-x+8

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Solution for 3x+40=-x+8 equation:


Simplifying
3x + 40 = -1x + 8

Reorder the terms:
40 + 3x = -1x + 8

Reorder the terms:
40 + 3x = 8 + -1x

Solving
40 + 3x = 8 + -1x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add 'x' to each side of the equation.
40 + 3x + x = 8 + -1x + x

Combine like terms: 3x + x = 4x
40 + 4x = 8 + -1x + x

Combine like terms: -1x + x = 0
40 + 4x = 8 + 0
40 + 4x = 8

Add '-40' to each side of the equation.
40 + -40 + 4x = 8 + -40

Combine like terms: 40 + -40 = 0
0 + 4x = 8 + -40
4x = 8 + -40

Combine like terms: 8 + -40 = -32
4x = -32

Divide each side by '4'.
x = -8

Simplifying
x = -8

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