0.3(x+70)+1.3x=85

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Solution for 0.3(x+70)+1.3x=85 equation: 


Simplifying
0.3(x + 70) + 1.3x = 85

Reorder the terms:
0.3(70 + x) + 1.3x = 85
(70 * 0.3 + x * 0.3) + 1.3x = 85
(21 + 0.3x) + 1.3x = 85

Combine like terms: 0.3x + 1.3x = 1.6x
21 + 1.6x = 85

Solving
21 + 1.6x = 85

Solving for variable 'x'.

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

Add '-21' to each side of the equation.
21 + -21 + 1.6x = 85 + -21

Combine like terms: 21 + -21 = 0
0 + 1.6x = 85 + -21
1.6x = 85 + -21

Combine like terms: 85 + -21 = 64
1.6x = 64

Divide each side by '1.6'.
x = 40

Simplifying
x = 40

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