18=11+7x-7

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Solution for 18=11+7x-7 equation:


Simplifying
18 = 11 + 7x + -7

Reorder the terms:
18 = 11 + -7 + 7x

Combine like terms: 11 + -7 = 4
18 = 4 + 7x

Solving
18 = 4 + 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.
18 + -7x = 4 + 7x + -7x

Combine like terms: 7x + -7x = 0
18 + -7x = 4 + 0
18 + -7x = 4

Add '-18' to each side of the equation.
18 + -18 + -7x = 4 + -18

Combine like terms: 18 + -18 = 0
0 + -7x = 4 + -18
-7x = 4 + -18

Combine like terms: 4 + -18 = -14
-7x = -14

Divide each side by '-7'.
x = 2

Simplifying
x = 2

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