7x+12=4x+45

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Solution for 7x+12=4x+45 equation:


Simplifying
7x + 12 = 4x + 45

Reorder the terms:
12 + 7x = 4x + 45

Reorder the terms:
12 + 7x = 45 + 4x

Solving
12 + 7x = 45 + 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.
12 + 7x + -4x = 45 + 4x + -4x

Combine like terms: 7x + -4x = 3x
12 + 3x = 45 + 4x + -4x

Combine like terms: 4x + -4x = 0
12 + 3x = 45 + 0
12 + 3x = 45

Add '-12' to each side of the equation.
12 + -12 + 3x = 45 + -12

Combine like terms: 12 + -12 = 0
0 + 3x = 45 + -12
3x = 45 + -12

Combine like terms: 45 + -12 = 33
3x = 33

Divide each side by '3'.
x = 11

Simplifying
x = 11

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