.40(80+x)=.30(80+.60x)

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Solution for .40(80+x)=.30(80+.60x) equation:


Simplifying
0.40(80 + x) = 0.30(80 + 0.60x)
(80 * 0.40 + x * 0.40) = 0.30(80 + 0.60x)
(32 + 0.40x) = 0.30(80 + 0.60x)
32 + 0.40x = (80 * 0.30 + 0.60x * 0.30)
32 + 0.40x = (24 + 0.18x)

Solving
32 + 0.40x = 24 + 0.18x

Solving for variable 'x'.

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

Add '-0.18x' to each side of the equation.
32 + 0.40x + -0.18x = 24 + 0.18x + -0.18x

Combine like terms: 0.40x + -0.18x = 0.22x
32 + 0.22x = 24 + 0.18x + -0.18x

Combine like terms: 0.18x + -0.18x = 0.00
32 + 0.22x = 24 + 0.00
32 + 0.22x = 24

Add '-32' to each side of the equation.
32 + -32 + 0.22x = 24 + -32

Combine like terms: 32 + -32 = 0
0 + 0.22x = 24 + -32
0.22x = 24 + -32

Combine like terms: 24 + -32 = -8
0.22x = -8

Divide each side by '0.22'.
x = -36.36363636

Simplifying
x = -36.36363636

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