5X+31+8X+46=90

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Solution for 5X+31+8X+46=90 equation:


Simplifying
5X + 31 + 8X + 46 = 90

Reorder the terms:
31 + 46 + 5X + 8X = 90

Combine like terms: 31 + 46 = 77
77 + 5X + 8X = 90

Combine like terms: 5X + 8X = 13X
77 + 13X = 90

Solving
77 + 13X = 90

Solving for variable 'X'.

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

Add '-77' to each side of the equation.
77 + -77 + 13X = 90 + -77

Combine like terms: 77 + -77 = 0
0 + 13X = 90 + -77
13X = 90 + -77

Combine like terms: 90 + -77 = 13
13X = 13

Divide each side by '13'.
X = 1

Simplifying
X = 1

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