7x+7+14x+7=20x+18

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Solution for 7x+7+14x+7=20x+18 equation:


Simplifying
7x + 7 + 14x + 7 = 20x + 18

Reorder the terms:
7 + 7 + 7x + 14x = 20x + 18

Combine like terms: 7 + 7 = 14
14 + 7x + 14x = 20x + 18

Combine like terms: 7x + 14x = 21x
14 + 21x = 20x + 18

Reorder the terms:
14 + 21x = 18 + 20x

Solving
14 + 21x = 18 + 20x

Solving for variable 'x'.

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

Add '-20x' to each side of the equation.
14 + 21x + -20x = 18 + 20x + -20x

Combine like terms: 21x + -20x = 1x
14 + 1x = 18 + 20x + -20x

Combine like terms: 20x + -20x = 0
14 + 1x = 18 + 0
14 + 1x = 18

Add '-14' to each side of the equation.
14 + -14 + 1x = 18 + -14

Combine like terms: 14 + -14 = 0
0 + 1x = 18 + -14
1x = 18 + -14

Combine like terms: 18 + -14 = 4
1x = 4

Divide each side by '1'.
x = 4

Simplifying
x = 4

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