3+15=60-2x

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Solution for 3+15=60-2x equation:


Simplifying
3 + 15 = 60 + -2x

Combine like terms: 3 + 15 = 18
18 = 60 + -2x

Solving
18 = 60 + -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.
18 + 2x = 60 + -2x + 2x

Combine like terms: -2x + 2x = 0
18 + 2x = 60 + 0
18 + 2x = 60

Add '-18' to each side of the equation.
18 + -18 + 2x = 60 + -18

Combine like terms: 18 + -18 = 0
0 + 2x = 60 + -18
2x = 60 + -18

Combine like terms: 60 + -18 = 42
2x = 42

Divide each side by '2'.
x = 21

Simplifying
x = 21

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