1.5x+7.5=20-x

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Solution for 1.5x+7.5=20-x equation:


Simplifying
1.5x + 7.5 = 20 + -1x

Reorder the terms:
7.5 + 1.5x = 20 + -1x

Solving
7.5 + 1.5x = 20 + -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.
7.5 + 1.5x + x = 20 + -1x + x

Combine like terms: 1.5x + x = 2.5x
7.5 + 2.5x = 20 + -1x + x

Combine like terms: -1x + x = 0
7.5 + 2.5x = 20 + 0
7.5 + 2.5x = 20

Add '-7.5' to each side of the equation.
7.5 + -7.5 + 2.5x = 20 + -7.5

Combine like terms: 7.5 + -7.5 = 0.0
0.0 + 2.5x = 20 + -7.5
2.5x = 20 + -7.5

Combine like terms: 20 + -7.5 = 12.5
2.5x = 12.5

Divide each side by '2.5'.
x = 5

Simplifying
x = 5

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