4x+45=7x+12

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


Simplifying
4x + 45 = 7x + 12

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

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

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

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

Combine like terms: 7x + -7x = 0
45 + -3x = 12 + 0
45 + -3x = 12

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

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

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

Divide each side by '-3'.
x = 11

Simplifying
x = 11

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