4x-9+x=-3x+31

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Solution for 4x-9+x=-3x+31 equation:


Simplifying
4x + -9 + x = -3x + 31

Reorder the terms:
-9 + 4x + x = -3x + 31

Combine like terms: 4x + x = 5x
-9 + 5x = -3x + 31

Reorder the terms:
-9 + 5x = 31 + -3x

Solving
-9 + 5x = 31 + -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.
-9 + 5x + 3x = 31 + -3x + 3x

Combine like terms: 5x + 3x = 8x
-9 + 8x = 31 + -3x + 3x

Combine like terms: -3x + 3x = 0
-9 + 8x = 31 + 0
-9 + 8x = 31

Add '9' to each side of the equation.
-9 + 9 + 8x = 31 + 9

Combine like terms: -9 + 9 = 0
0 + 8x = 31 + 9
8x = 31 + 9

Combine like terms: 31 + 9 = 40
8x = 40

Divide each side by '8'.
x = 5

Simplifying
x = 5

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