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

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


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

Reorder the terms:
-4y + -4(3 + -5y) = -9 + 7(3 + -1y)
-4y + (3 * -4 + -5y * -4) = -9 + 7(3 + -1y)
-4y + (-12 + 20y) = -9 + 7(3 + -1y)

Reorder the terms:
-12 + -4y + 20y = -9 + 7(3 + -1y)

Combine like terms: -4y + 20y = 16y
-12 + 16y = -9 + 7(3 + -1y)
-12 + 16y = -9 + (3 * 7 + -1y * 7)
-12 + 16y = -9 + (21 + -7y)

Combine like terms: -9 + 21 = 12
-12 + 16y = 12 + -7y

Solving
-12 + 16y = 12 + -7y

Solving for variable 'y'.

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

Add '7y' to each side of the equation.
-12 + 16y + 7y = 12 + -7y + 7y

Combine like terms: 16y + 7y = 23y
-12 + 23y = 12 + -7y + 7y

Combine like terms: -7y + 7y = 0
-12 + 23y = 12 + 0
-12 + 23y = 12

Add '12' to each side of the equation.
-12 + 12 + 23y = 12 + 12

Combine like terms: -12 + 12 = 0
0 + 23y = 12 + 12
23y = 12 + 12

Combine like terms: 12 + 12 = 24
23y = 24

Divide each side by '23'.
y = 1.043478261

Simplifying
y = 1.043478261

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