.8(x+80)+x=145

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Solution for .8(x+80)+x=145 equation:


Simplifying
0.8(x + 80) + x = 145

Reorder the terms:
0.8(80 + x) + x = 145
(80 * 0.8 + x * 0.8) + x = 145
(64 + 0.8x) + x = 145

Combine like terms: 0.8x + x = 1.8x
64 + 1.8x = 145

Solving
64 + 1.8x = 145

Solving for variable 'x'.

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

Add '-64' to each side of the equation.
64 + -64 + 1.8x = 145 + -64

Combine like terms: 64 + -64 = 0
0 + 1.8x = 145 + -64
1.8x = 145 + -64

Combine like terms: 145 + -64 = 81
1.8x = 81

Divide each side by '1.8'.
x = 45

Simplifying
x = 45

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