30+1x=15+3x

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Solution for 30+1x=15+3x equation:


Simplifying
30 + 1x = 15 + 3x

Solving
30 + 1x = 15 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
30 + 1x + -3x = 15 + 3x + -3x

Combine like terms: 1x + -3x = -2x
30 + -2x = 15 + 3x + -3x

Combine like terms: 3x + -3x = 0
30 + -2x = 15 + 0
30 + -2x = 15

Add '-30' to each side of the equation.
30 + -30 + -2x = 15 + -30

Combine like terms: 30 + -30 = 0
0 + -2x = 15 + -30
-2x = 15 + -30

Combine like terms: 15 + -30 = -15
-2x = -15

Divide each side by '-2'.
x = 7.5

Simplifying
x = 7.5

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