0.05(80)+0.4=0.2(80+x)

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Solution for 0.05(80)+0.4=0.2(80+x) equation:


Simplifying
0.05(80) + 0.4 = 0.2(80 + x)

Multiply 0.05 * 80
4 + 0.4 = 0.2(80 + x)

Combine like terms: 4 + 0.4 = 4.4
4.4 = 0.2(80 + x)
4.4 = (80 * 0.2 + x * 0.2)
4.4 = (16 + 0.2x)

Solving
4.4 = 16 + 0.2x

Solving for variable 'x'.

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

Add '-0.2x' to each side of the equation.
4.4 + -0.2x = 16 + 0.2x + -0.2x

Combine like terms: 0.2x + -0.2x = 0.0
4.4 + -0.2x = 16 + 0.0
4.4 + -0.2x = 16

Add '-4.4' to each side of the equation.
4.4 + -4.4 + -0.2x = 16 + -4.4

Combine like terms: 4.4 + -4.4 = 0.0
0.0 + -0.2x = 16 + -4.4
-0.2x = 16 + -4.4

Combine like terms: 16 + -4.4 = 11.6
-0.2x = 11.6

Divide each side by '-0.2'.
x = -58

Simplifying
x = -58

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