(3x-4)+6x+(9x+5)=90

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Solution for (3x-4)+6x+(9x+5)=90 equation:


Simplifying
(3x + -4) + 6x + (9x + 5) = 90

Reorder the terms:
(-4 + 3x) + 6x + (9x + 5) = 90

Remove parenthesis around (-4 + 3x)
-4 + 3x + 6x + (9x + 5) = 90

Reorder the terms:
-4 + 3x + 6x + (5 + 9x) = 90

Remove parenthesis around (5 + 9x)
-4 + 3x + 6x + 5 + 9x = 90

Reorder the terms:
-4 + 5 + 3x + 6x + 9x = 90

Combine like terms: -4 + 5 = 1
1 + 3x + 6x + 9x = 90

Combine like terms: 3x + 6x = 9x
1 + 9x + 9x = 90

Combine like terms: 9x + 9x = 18x
1 + 18x = 90

Solving
1 + 18x = 90

Solving for variable 'x'.

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

Add '-1' to each side of the equation.
1 + -1 + 18x = 90 + -1

Combine like terms: 1 + -1 = 0
0 + 18x = 90 + -1
18x = 90 + -1

Combine like terms: 90 + -1 = 89
18x = 89

Divide each side by '18'.
x = 4.944444444

Simplifying
x = 4.944444444

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