30+x=45-2x

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Solution for 30+x=45-2x equation:


Simplifying
30 + x = 45 + -2x

Solving
30 + x = 45 + -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.
30 + x + 2x = 45 + -2x + 2x

Combine like terms: x + 2x = 3x
30 + 3x = 45 + -2x + 2x

Combine like terms: -2x + 2x = 0
30 + 3x = 45 + 0
30 + 3x = 45

Add '-30' to each side of the equation.
30 + -30 + 3x = 45 + -30

Combine like terms: 30 + -30 = 0
0 + 3x = 45 + -30
3x = 45 + -30

Combine like terms: 45 + -30 = 15
3x = 15

Divide each side by '3'.
x = 5

Simplifying
x = 5

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