3(x+y)+4x-9+5x=180

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Solution for 3(x+y)+4x-9+5x=180 equation:


Simplifying
3(x + y) + 4x + -9 + 5x = 180
(x * 3 + y * 3) + 4x + -9 + 5x = 180
(3x + 3y) + 4x + -9 + 5x = 180

Reorder the terms:
-9 + 3x + 4x + 5x + 3y = 180

Combine like terms: 3x + 4x = 7x
-9 + 7x + 5x + 3y = 180

Combine like terms: 7x + 5x = 12x
-9 + 12x + 3y = 180

Solving
-9 + 12x + 3y = 180

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 + 12x + 9 + 3y = 180 + 9

Reorder the terms:
-9 + 9 + 12x + 3y = 180 + 9

Combine like terms: -9 + 9 = 0
0 + 12x + 3y = 180 + 9
12x + 3y = 180 + 9

Combine like terms: 180 + 9 = 189
12x + 3y = 189

Add '-3y' to each side of the equation.
12x + 3y + -3y = 189 + -3y

Combine like terms: 3y + -3y = 0
12x + 0 = 189 + -3y
12x = 189 + -3y

Divide each side by '12'.
x = 15.75 + -0.25y

Simplifying
x = 15.75 + -0.25y

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