3.5x+8=12.5-x

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Solution for 3.5x+8=12.5-x equation:


Simplifying
3.5x + 8 = 12.5 + -1x

Reorder the terms:
8 + 3.5x = 12.5 + -1x

Solving
8 + 3.5x = 12.5 + -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.
8 + 3.5x + x = 12.5 + -1x + x

Combine like terms: 3.5x + x = 4.5x
8 + 4.5x = 12.5 + -1x + x

Combine like terms: -1x + x = 0
8 + 4.5x = 12.5 + 0
8 + 4.5x = 12.5

Add '-8' to each side of the equation.
8 + -8 + 4.5x = 12.5 + -8

Combine like terms: 8 + -8 = 0
0 + 4.5x = 12.5 + -8
4.5x = 12.5 + -8

Combine like terms: 12.5 + -8 = 4.5
4.5x = 4.5

Divide each side by '4.5'.
x = 1

Simplifying
x = 1

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