3x+12+4x+8=27

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Solution for 3x+12+4x+8=27 equation:


Simplifying
3x + 12 + 4x + 8 = 27

Reorder the terms:
12 + 8 + 3x + 4x = 27

Combine like terms: 12 + 8 = 20
20 + 3x + 4x = 27

Combine like terms: 3x + 4x = 7x
20 + 7x = 27

Solving
20 + 7x = 27

Solving for variable 'x'.

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

Add '-20' to each side of the equation.
20 + -20 + 7x = 27 + -20

Combine like terms: 20 + -20 = 0
0 + 7x = 27 + -20
7x = 27 + -20

Combine like terms: 27 + -20 = 7
7x = 7

Divide each side by '7'.
x = 1

Simplifying
x = 1

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