-3y+5(-3y-9)=-4-2(7-y)

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Solution for -3y+5(-3y-9)=-4-2(7-y) equation:


Simplifying
-3y + 5(-3y + -9) = -4 + -2(7 + -1y)

Reorder the terms:
-3y + 5(-9 + -3y) = -4 + -2(7 + -1y)
-3y + (-9 * 5 + -3y * 5) = -4 + -2(7 + -1y)
-3y + (-45 + -15y) = -4 + -2(7 + -1y)

Reorder the terms:
-45 + -3y + -15y = -4 + -2(7 + -1y)

Combine like terms: -3y + -15y = -18y
-45 + -18y = -4 + -2(7 + -1y)
-45 + -18y = -4 + (7 * -2 + -1y * -2)
-45 + -18y = -4 + (-14 + 2y)

Combine like terms: -4 + -14 = -18
-45 + -18y = -18 + 2y

Solving
-45 + -18y = -18 + 2y

Solving for variable 'y'.

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

Add '-2y' to each side of the equation.
-45 + -18y + -2y = -18 + 2y + -2y

Combine like terms: -18y + -2y = -20y
-45 + -20y = -18 + 2y + -2y

Combine like terms: 2y + -2y = 0
-45 + -20y = -18 + 0
-45 + -20y = -18

Add '45' to each side of the equation.
-45 + 45 + -20y = -18 + 45

Combine like terms: -45 + 45 = 0
0 + -20y = -18 + 45
-20y = -18 + 45

Combine like terms: -18 + 45 = 27
-20y = 27

Divide each side by '-20'.
y = -1.35

Simplifying
y = -1.35

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