7x=18-(-2x)

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Solution for 7x=18-(-2x) equation:


Simplifying
7x = 18 + -1(-2x)

Remove parenthesis around (-2x)
7x = 18 + -1 * -2x

Multiply -1 * -2
7x = 18 + 2x

Solving
7x = 18 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
7x + -2x = 18 + 2x + -2x

Combine like terms: 7x + -2x = 5x
5x = 18 + 2x + -2x

Combine like terms: 2x + -2x = 0
5x = 18 + 0
5x = 18

Divide each side by '5'.
x = 3.6

Simplifying
x = 3.6

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