12x-4=5x+45

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Solution for 12x-4=5x+45 equation:


Simplifying
12x + -4 = 5x + 45

Reorder the terms:
-4 + 12x = 5x + 45

Reorder the terms:
-4 + 12x = 45 + 5x

Solving
-4 + 12x = 45 + 5x

Solving for variable 'x'.

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

Add '-5x' to each side of the equation.
-4 + 12x + -5x = 45 + 5x + -5x

Combine like terms: 12x + -5x = 7x
-4 + 7x = 45 + 5x + -5x

Combine like terms: 5x + -5x = 0
-4 + 7x = 45 + 0
-4 + 7x = 45

Add '4' to each side of the equation.
-4 + 4 + 7x = 45 + 4

Combine like terms: -4 + 4 = 0
0 + 7x = 45 + 4
7x = 45 + 4

Combine like terms: 45 + 4 = 49
7x = 49

Divide each side by '7'.
x = 7

Simplifying
x = 7

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