.4(x+80)+.8x=68

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Solution for .4(x+80)+.8x=68 equation:


Simplifying
0.4(x + 80) + 0.8x = 68

Reorder the terms:
0.4(80 + x) + 0.8x = 68
(80 * 0.4 + x * 0.4) + 0.8x = 68
(32 + 0.4x) + 0.8x = 68

Combine like terms: 0.4x + 0.8x = 1.2x
32 + 1.2x = 68

Solving
32 + 1.2x = 68

Solving for variable 'x'.

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

Add '-32' to each side of the equation.
32 + -32 + 1.2x = 68 + -32

Combine like terms: 32 + -32 = 0
0 + 1.2x = 68 + -32
1.2x = 68 + -32

Combine like terms: 68 + -32 = 36
1.2x = 36

Divide each side by '1.2'.
x = 30

Simplifying
x = 30

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