7x+2+x+8=90

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Solution for 7x+2+x+8=90 equation:


Simplifying
7x + 2 + x + 8 = 90

Reorder the terms:
2 + 8 + 7x + x = 90

Combine like terms: 2 + 8 = 10
10 + 7x + x = 90

Combine like terms: 7x + x = 8x
10 + 8x = 90

Solving
10 + 8x = 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 + 8x = 90 + -10

Combine like terms: 10 + -10 = 0
0 + 8x = 90 + -10
8x = 90 + -10

Combine like terms: 90 + -10 = 80
8x = 80

Divide each side by '8'.
x = 10

Simplifying
x = 10

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