3x-12+x+11=8

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Solution for 3x-12+x+11=8 equation:


Simplifying
3x + -12 + x + 11 = 8

Reorder the terms:
-12 + 11 + 3x + x = 8

Combine like terms: -12 + 11 = -1
-1 + 3x + x = 8

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

Solving
-1 + 4x = 8

Solving for variable 'x'.

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

Add '1' to each side of the equation.
-1 + 1 + 4x = 8 + 1

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

Combine like terms: 8 + 1 = 9
4x = 9

Divide each side by '4'.
x = 2.25

Simplifying
x = 2.25

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