(6x+1)+(2x+9)=90

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Solution for (6x+1)+(2x+9)=90 equation:


Simplifying
(6x + 1) + (2x + 9) = 90

Reorder the terms:
(1 + 6x) + (2x + 9) = 90

Remove parenthesis around (1 + 6x)
1 + 6x + (2x + 9) = 90

Reorder the terms:
1 + 6x + (9 + 2x) = 90

Remove parenthesis around (9 + 2x)
1 + 6x + 9 + 2x = 90

Reorder the terms:
1 + 9 + 6x + 2x = 90

Combine like terms: 1 + 9 = 10
10 + 6x + 2x = 90

Combine like terms: 6x + 2x = 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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