12x-4x+20=7x+30

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Solution for 12x-4x+20=7x+30 equation:


Simplifying
12x + -4x + 20 = 7x + 30

Reorder the terms:
20 + 12x + -4x = 7x + 30

Combine like terms: 12x + -4x = 8x
20 + 8x = 7x + 30

Reorder the terms:
20 + 8x = 30 + 7x

Solving
20 + 8x = 30 + 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.
20 + 8x + -7x = 30 + 7x + -7x

Combine like terms: 8x + -7x = 1x
20 + 1x = 30 + 7x + -7x

Combine like terms: 7x + -7x = 0
20 + 1x = 30 + 0
20 + 1x = 30

Add '-20' to each side of the equation.
20 + -20 + 1x = 30 + -20

Combine like terms: 20 + -20 = 0
0 + 1x = 30 + -20
1x = 30 + -20

Combine like terms: 30 + -20 = 10
1x = 10

Divide each side by '1'.
x = 10

Simplifying
x = 10

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