3(-6-9)=3(7y-3)

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Solution for 3(-6-9)=3(7y-3) equation:


Simplifying
3(-6 + -9) = 3(7y + -3)

Combine like terms: -6 + -9 = -15
3(-15) = 3(7y + -3)

Multiply 3 * -15
-45 = 3(7y + -3)

Reorder the terms:
-45 = 3(-3 + 7y)
-45 = (-3 * 3 + 7y * 3)
-45 = (-9 + 21y)

Solving
-45 = -9 + 21y

Solving for variable 'y'.

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

Add '-21y' to each side of the equation.
-45 + -21y = -9 + 21y + -21y

Combine like terms: 21y + -21y = 0
-45 + -21y = -9 + 0
-45 + -21y = -9

Add '45' to each side of the equation.
-45 + 45 + -21y = -9 + 45

Combine like terms: -45 + 45 = 0
0 + -21y = -9 + 45
-21y = -9 + 45

Combine like terms: -9 + 45 = 36
-21y = 36

Divide each side by '-21'.
y = -1.714285714

Simplifying
y = -1.714285714

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