3=-2x+18

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Solution for 3=-2x+18 equation:


Simplifying
3 = -2x + 18

Reorder the terms:
3 = 18 + -2x

Solving
3 = 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.
3 + 2x = 18 + -2x + 2x

Combine like terms: -2x + 2x = 0
3 + 2x = 18 + 0
3 + 2x = 18

Add '-3' to each side of the equation.
3 + -3 + 2x = 18 + -3

Combine like terms: 3 + -3 = 0
0 + 2x = 18 + -3
2x = 18 + -3

Combine like terms: 18 + -3 = 15
2x = 15

Divide each side by '2'.
x = 7.5

Simplifying
x = 7.5

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