.35x+.75(120+x)=.85(120)

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Solution for .35x+.75(120+x)=.85(120) equation:


Simplifying
0.35x + 0.75(120 + x) = 0.85(120)
0.35x + (120 * 0.75 + x * 0.75) = 0.85(120)
0.35x + (90 + 0.75x) = 0.85(120)

Reorder the terms:
90 + 0.35x + 0.75x = 0.85(120)

Combine like terms: 0.35x + 0.75x = 1.1x
90 + 1.1x = 0.85(120)

Multiply 0.85 * 120
90 + 1.1x = 102

Solving
90 + 1.1x = 102

Solving for variable 'x'.

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

Add '-90' to each side of the equation.
90 + -90 + 1.1x = 102 + -90

Combine like terms: 90 + -90 = 0
0 + 1.1x = 102 + -90
1.1x = 102 + -90

Combine like terms: 102 + -90 = 12
1.1x = 12

Divide each side by '1.1'.
x = 10.90909091

Simplifying
x = 10.90909091

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