4(3+5x)-1=91

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Solution for 4(3+5x)-1=91 equation:


Simplifying
4(3 + 5x) + -1 = 91
(3 * 4 + 5x * 4) + -1 = 91
(12 + 20x) + -1 = 91

Reorder the terms:
12 + -1 + 20x = 91

Combine like terms: 12 + -1 = 11
11 + 20x = 91

Solving
11 + 20x = 91

Solving for variable 'x'.

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

Add '-11' to each side of the equation.
11 + -11 + 20x = 91 + -11

Combine like terms: 11 + -11 = 0
0 + 20x = 91 + -11
20x = 91 + -11

Combine like terms: 91 + -11 = 80
20x = 80

Divide each side by '20'.
x = 4

Simplifying
x = 4

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