3=x+18

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Solution for 3=x+18 equation:


Simplifying
3 = x + 18

Reorder the terms:
3 = 18 + x

Solving
3 = 18 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
3 + -1x = 18 + x + -1x

Combine like terms: x + -1x = 0
3 + -1x = 18 + 0
3 + -1x = 18

Add '-3' to each side of the equation.
3 + -3 + -1x = 18 + -3

Combine like terms: 3 + -3 = 0
0 + -1x = 18 + -3
-1x = 18 + -3

Combine like terms: 18 + -3 = 15
-1x = 15

Divide each side by '-1'.
x = -15

Simplifying
x = -15

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