12+7x=15+4x

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Solution for 12+7x=15+4x equation:


Simplifying
12 + 7x = 15 + 4x

Solving
12 + 7x = 15 + 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 = 15 + 4x + -4x

Combine like terms: 7x + -4x = 3x
12 + 3x = 15 + 4x + -4x

Combine like terms: 4x + -4x = 0
12 + 3x = 15 + 0
12 + 3x = 15

Add '-12' to each side of the equation.
12 + -12 + 3x = 15 + -12

Combine like terms: 12 + -12 = 0
0 + 3x = 15 + -12
3x = 15 + -12

Combine like terms: 15 + -12 = 3
3x = 3

Divide each side by '3'.
x = 1

Simplifying
x = 1

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