12X-4=7X+31

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Solution for 12X-4=7X+31 equation:


Simplifying
12X + -4 = 7X + 31

Reorder the terms:
-4 + 12X = 7X + 31

Reorder the terms:
-4 + 12X = 31 + 7X

Solving
-4 + 12X = 31 + 7X

Solving for variable 'X'.

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

Add '-7X' to each side of the equation.
-4 + 12X + -7X = 31 + 7X + -7X

Combine like terms: 12X + -7X = 5X
-4 + 5X = 31 + 7X + -7X

Combine like terms: 7X + -7X = 0
-4 + 5X = 31 + 0
-4 + 5X = 31

Add '4' to each side of the equation.
-4 + 4 + 5X = 31 + 4

Combine like terms: -4 + 4 = 0
0 + 5X = 31 + 4
5X = 31 + 4

Combine like terms: 31 + 4 = 35
5X = 35

Divide each side by '5'.
X = 7

Simplifying
X = 7

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