3(4x+5)-3y=-15

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Solution for 3(4x+5)-3y=-15 equation:


Simplifying
3(4x + 5) + -3y = -15

Reorder the terms:
3(5 + 4x) + -3y = -15
(5 * 3 + 4x * 3) + -3y = -15
(15 + 12x) + -3y = -15

Solving
15 + 12x + -3y = -15

Solving for variable 'x'.

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

Add '-15' to each side of the equation.
15 + 12x + -15 + -3y = -15 + -15

Reorder the terms:
15 + -15 + 12x + -3y = -15 + -15

Combine like terms: 15 + -15 = 0
0 + 12x + -3y = -15 + -15
12x + -3y = -15 + -15

Combine like terms: -15 + -15 = -30
12x + -3y = -30

Add '3y' to each side of the equation.
12x + -3y + 3y = -30 + 3y

Combine like terms: -3y + 3y = 0
12x + 0 = -30 + 3y
12x = -30 + 3y

Divide each side by '12'.
x = -2.5 + 0.25y

Simplifying
x = -2.5 + 0.25y

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