.30(x+90)+1.30x=91

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Solution for .30(x+90)+1.30x=91 equation:


Simplifying
0.30(x + 90) + 1.30x = 91

Reorder the terms:
0.30(90 + x) + 1.30x = 91
(90 * 0.30 + x * 0.30) + 1.30x = 91
(27 + 0.30x) + 1.30x = 91

Combine like terms: 0.30x + 1.30x = 1.6x
27 + 1.6x = 91

Solving
27 + 1.6x = 91

Solving for variable 'x'.

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

Add '-27' to each side of the equation.
27 + -27 + 1.6x = 91 + -27

Combine like terms: 27 + -27 = 0
0 + 1.6x = 91 + -27
1.6x = 91 + -27

Combine like terms: 91 + -27 = 64
1.6x = 64

Divide each side by '1.6'.
x = 40

Simplifying
x = 40

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