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

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


Simplifying
7(3y + -3) + -1(6y + 3) = 0

Reorder the terms:
7(-3 + 3y) + -1(6y + 3) = 0
(-3 * 7 + 3y * 7) + -1(6y + 3) = 0
(-21 + 21y) + -1(6y + 3) = 0

Reorder the terms:
-21 + 21y + -1(3 + 6y) = 0
-21 + 21y + (3 * -1 + 6y * -1) = 0
-21 + 21y + (-3 + -6y) = 0

Reorder the terms:
-21 + -3 + 21y + -6y = 0

Combine like terms: -21 + -3 = -24
-24 + 21y + -6y = 0

Combine like terms: 21y + -6y = 15y
-24 + 15y = 0

Solving
-24 + 15y = 0

Solving for variable 'y'.

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

Add '24' to each side of the equation.
-24 + 24 + 15y = 0 + 24

Combine like terms: -24 + 24 = 0
0 + 15y = 0 + 24
15y = 0 + 24

Combine like terms: 0 + 24 = 24
15y = 24

Divide each side by '15'.
y = 1.6

Simplifying
y = 1.6

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