8X+6+7X+4=90

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Solution for 8X+6+7X+4=90 equation: 


Simplifying
8X + 6 + 7X + 4 = 90

Reorder the terms:
6 + 4 + 8X + 7X = 90

Combine like terms: 6 + 4 = 10
10 + 8X + 7X = 90

Combine like terms: 8X + 7X = 15X
10 + 15X = 90

Solving
10 + 15X = 90

Solving for variable 'X'.

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

Add '-10' to each side of the equation.
10 + -10 + 15X = 90 + -10

Combine like terms: 10 + -10 = 0
0 + 15X = 90 + -10
15X = 90 + -10

Combine like terms: 90 + -10 = 80
15X = 80

Divide each side by '15'.
X = 5.333333333

Simplifying
X = 5.333333333

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