12+7=4x-3

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Solution for 12+7=4x-3 equation: 


Simplifying
12 + 7 = 4x + -3

Combine like terms: 12 + 7 = 19
19 = 4x + -3

Reorder the terms:
19 = -3 + 4x

Solving
19 = -3 + 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.
19 + -4x = -3 + 4x + -4x

Combine like terms: 4x + -4x = 0
19 + -4x = -3 + 0
19 + -4x = -3

Add '-19' to each side of the equation.
19 + -19 + -4x = -3 + -19

Combine like terms: 19 + -19 = 0
0 + -4x = -3 + -19
-4x = -3 + -19

Combine like terms: -3 + -19 = -22
-4x = -22

Divide each side by '-4'.
x = 5.5

Simplifying
x = 5.5

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