8+.25x=0.31(20+x)

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Solution for 8+.25x=0.31(20+x) equation:


Simplifying
8 + 0.25x = 0.31(20 + x)
8 + 0.25x = (20 * 0.31 + x * 0.31)
8 + 0.25x = (6.2 + 0.31x)

Solving
8 + 0.25x = 6.2 + 0.31x

Solving for variable 'x'.

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

Add '-0.31x' to each side of the equation.
8 + 0.25x + -0.31x = 6.2 + 0.31x + -0.31x

Combine like terms: 0.25x + -0.31x = -0.06x
8 + -0.06x = 6.2 + 0.31x + -0.31x

Combine like terms: 0.31x + -0.31x = 0.00
8 + -0.06x = 6.2 + 0.00
8 + -0.06x = 6.2

Add '-8' to each side of the equation.
8 + -8 + -0.06x = 6.2 + -8

Combine like terms: 8 + -8 = 0
0 + -0.06x = 6.2 + -8
-0.06x = 6.2 + -8

Combine like terms: 6.2 + -8 = -1.8
-0.06x = -1.8

Divide each side by '-0.06'.
x = 30

Simplifying
x = 30

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