0.7(x+100)+0.1x=86

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Solution for 0.7(x+100)+0.1x=86 equation: 


Simplifying
0.7(x + 100) + 0.1x = 86

Reorder the terms:
0.7(100 + x) + 0.1x = 86
(100 * 0.7 + x * 0.7) + 0.1x = 86
(70 + 0.7x) + 0.1x = 86

Combine like terms: 0.7x + 0.1x = 0.8x
70 + 0.8x = 86

Solving
70 + 0.8x = 86

Solving for variable 'x'.

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

Add '-70' to each side of the equation.
70 + -70 + 0.8x = 86 + -70

Combine like terms: 70 + -70 = 0
0 + 0.8x = 86 + -70
0.8x = 86 + -70

Combine like terms: 86 + -70 = 16
0.8x = 16

Divide each side by '0.8'.
x = 20

Simplifying
x = 20

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