(6x+5)+(3x+4)=90

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Solution for (6x+5)+(3x+4)=90 equation:


Simplifying
(6x + 5) + (3x + 4) = 90

Reorder the terms:
(5 + 6x) + (3x + 4) = 90

Remove parenthesis around (5 + 6x)
5 + 6x + (3x + 4) = 90

Reorder the terms:
5 + 6x + (4 + 3x) = 90

Remove parenthesis around (4 + 3x)
5 + 6x + 4 + 3x = 90

Reorder the terms:
5 + 4 + 6x + 3x = 90

Combine like terms: 5 + 4 = 9
9 + 6x + 3x = 90

Combine like terms: 6x + 3x = 9x
9 + 9x = 90

Solving
9 + 9x = 90

Solving for variable 'x'.

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

Add '-9' to each side of the equation.
9 + -9 + 9x = 90 + -9

Combine like terms: 9 + -9 = 0
0 + 9x = 90 + -9
9x = 90 + -9

Combine like terms: 90 + -9 = 81
9x = 81

Divide each side by '9'.
x = 9

Simplifying
x = 9

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