8x-31=4x+7

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Solution for 8x-31=4x+7 equation:


Simplifying
8x + -31 = 4x + 7

Reorder the terms:
-31 + 8x = 4x + 7

Reorder the terms:
-31 + 8x = 7 + 4x

Solving
-31 + 8x = 7 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
-31 + 8x + -4x = 7 + 4x + -4x

Combine like terms: 8x + -4x = 4x
-31 + 4x = 7 + 4x + -4x

Combine like terms: 4x + -4x = 0
-31 + 4x = 7 + 0
-31 + 4x = 7

Add '31' to each side of the equation.
-31 + 31 + 4x = 7 + 31

Combine like terms: -31 + 31 = 0
0 + 4x = 7 + 31
4x = 7 + 31

Combine like terms: 7 + 31 = 38
4x = 38

Divide each side by '4'.
x = 9.5

Simplifying
x = 9.5

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