(5x+3)+(2x+1)+(x+6)=90

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Solution for (5x+3)+(2x+1)+(x+6)=90 equation:


Simplifying
(5x + 3) + (2x + 1) + (x + 6) = 90

Reorder the terms:
(3 + 5x) + (2x + 1) + (x + 6) = 90

Remove parenthesis around (3 + 5x)
3 + 5x + (2x + 1) + (x + 6) = 90

Reorder the terms:
3 + 5x + (1 + 2x) + (x + 6) = 90

Remove parenthesis around (1 + 2x)
3 + 5x + 1 + 2x + (x + 6) = 90

Reorder the terms:
3 + 5x + 1 + 2x + (6 + x) = 90

Remove parenthesis around (6 + x)
3 + 5x + 1 + 2x + 6 + x = 90

Reorder the terms:
3 + 1 + 6 + 5x + 2x + x = 90

Combine like terms: 3 + 1 = 4
4 + 6 + 5x + 2x + x = 90

Combine like terms: 4 + 6 = 10
10 + 5x + 2x + x = 90

Combine like terms: 5x + 2x = 7x
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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