30+15x=15+20x

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Solution for 30+15x=15+20x equation:


Simplifying
30 + 15x = 15 + 20x

Solving
30 + 15x = 15 + 20x

Solving for variable 'x'.

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

Add '-20x' to each side of the equation.
30 + 15x + -20x = 15 + 20x + -20x

Combine like terms: 15x + -20x = -5x
30 + -5x = 15 + 20x + -20x

Combine like terms: 20x + -20x = 0
30 + -5x = 15 + 0
30 + -5x = 15

Add '-30' to each side of the equation.
30 + -30 + -5x = 15 + -30

Combine like terms: 30 + -30 = 0
0 + -5x = 15 + -30
-5x = 15 + -30

Combine like terms: 15 + -30 = -15
-5x = -15

Divide each side by '-5'.
x = 3

Simplifying
x = 3

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