5(8+X)+2(7X-3)=91

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Solution for 5(8+X)+2(7X-3)=91 equation:


Simplifying
5(8 + X) + 2(7X + -3) = 91
(8 * 5 + X * 5) + 2(7X + -3) = 91
(40 + 5X) + 2(7X + -3) = 91

Reorder the terms:
40 + 5X + 2(-3 + 7X) = 91
40 + 5X + (-3 * 2 + 7X * 2) = 91
40 + 5X + (-6 + 14X) = 91

Reorder the terms:
40 + -6 + 5X + 14X = 91

Combine like terms: 40 + -6 = 34
34 + 5X + 14X = 91

Combine like terms: 5X + 14X = 19X
34 + 19X = 91

Solving
34 + 19X = 91

Solving for variable 'X'.

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

Add '-34' to each side of the equation.
34 + -34 + 19X = 91 + -34

Combine like terms: 34 + -34 = 0
0 + 19X = 91 + -34
19X = 91 + -34

Combine like terms: 91 + -34 = 57
19X = 57

Divide each side by '19'.
X = 3

Simplifying
X = 3

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