x+7+x+2x=30.5-x

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Solution for x+7+x+2x=30.5-x equation:


Simplifying
x + 7 + x + 2x = 30.5 + -1x

Reorder the terms:
7 + x + x + 2x = 30.5 + -1x

Combine like terms: x + x = 2x
7 + 2x + 2x = 30.5 + -1x

Combine like terms: 2x + 2x = 4x
7 + 4x = 30.5 + -1x

Solving
7 + 4x = 30.5 + -1x

Solving for variable 'x'.

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

Add 'x' to each side of the equation.
7 + 4x + x = 30.5 + -1x + x

Combine like terms: 4x + x = 5x
7 + 5x = 30.5 + -1x + x

Combine like terms: -1x + x = 0
7 + 5x = 30.5 + 0
7 + 5x = 30.5

Add '-7' to each side of the equation.
7 + -7 + 5x = 30.5 + -7

Combine like terms: 7 + -7 = 0
0 + 5x = 30.5 + -7
5x = 30.5 + -7

Combine like terms: 30.5 + -7 = 23.5
5x = 23.5

Divide each side by '5'.
x = 4.7

Simplifying
x = 4.7

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