x+15=30-4x

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Solution for x+15=30-4x equation:


Simplifying
x + 15 = 30 + -4x

Reorder the terms:
15 + x = 30 + -4x

Solving
15 + x = 30 + -4x

Solving for variable 'x'.

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

Add '4x' to each side of the equation.
15 + x + 4x = 30 + -4x + 4x

Combine like terms: x + 4x = 5x
15 + 5x = 30 + -4x + 4x

Combine like terms: -4x + 4x = 0
15 + 5x = 30 + 0
15 + 5x = 30

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

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

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

Divide each side by '5'.
x = 3

Simplifying
x = 3

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