9x-31=2x+4

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Solution for 9x-31=2x+4 equation:


Simplifying
9x + -31 = 2x + 4

Reorder the terms:
-31 + 9x = 2x + 4

Reorder the terms:
-31 + 9x = 4 + 2x

Solving
-31 + 9x = 4 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
-31 + 9x + -2x = 4 + 2x + -2x

Combine like terms: 9x + -2x = 7x
-31 + 7x = 4 + 2x + -2x

Combine like terms: 2x + -2x = 0
-31 + 7x = 4 + 0
-31 + 7x = 4

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

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

Combine like terms: 4 + 31 = 35
7x = 35

Divide each side by '7'.
x = 5

Simplifying
x = 5

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