-0.8(20)+0.8x=0.4(20+x)

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Solution for -0.8(20)+0.8x=0.4(20+x) equation:


Simplifying
-0.8(20) + 0.8x = 0.4(20 + x)

Multiply -0.8 * 20
-16 + 0.8x = 0.4(20 + x)
-16 + 0.8x = (20 * 0.4 + x * 0.4)
-16 + 0.8x = (8 + 0.4x)

Solving
-16 + 0.8x = 8 + 0.4x

Solving for variable 'x'.

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

Add '-0.4x' to each side of the equation.
-16 + 0.8x + -0.4x = 8 + 0.4x + -0.4x

Combine like terms: 0.8x + -0.4x = 0.4x
-16 + 0.4x = 8 + 0.4x + -0.4x

Combine like terms: 0.4x + -0.4x = 0.0
-16 + 0.4x = 8 + 0.0
-16 + 0.4x = 8

Add '16' to each side of the equation.
-16 + 16 + 0.4x = 8 + 16

Combine like terms: -16 + 16 = 0
0 + 0.4x = 8 + 16
0.4x = 8 + 16

Combine like terms: 8 + 16 = 24
0.4x = 24

Divide each side by '0.4'.
x = 60

Simplifying
x = 60

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