7x+12=3(2x+9)

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Solution for 7x+12=3(2x+9) equation:


Simplifying
7x + 12 = 3(2x + 9)

Reorder the terms:
12 + 7x = 3(2x + 9)

Reorder the terms:
12 + 7x = 3(9 + 2x)
12 + 7x = (9 * 3 + 2x * 3)
12 + 7x = (27 + 6x)

Solving
12 + 7x = 27 + 6x

Solving for variable 'x'.

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

Add '-6x' to each side of the equation.
12 + 7x + -6x = 27 + 6x + -6x

Combine like terms: 7x + -6x = 1x
12 + 1x = 27 + 6x + -6x

Combine like terms: 6x + -6x = 0
12 + 1x = 27 + 0
12 + 1x = 27

Add '-12' to each side of the equation.
12 + -12 + 1x = 27 + -12

Combine like terms: 12 + -12 = 0
0 + 1x = 27 + -12
1x = 27 + -12

Combine like terms: 27 + -12 = 15
1x = 15

Divide each side by '1'.
x = 15

Simplifying
x = 15

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