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

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Solution for 7(y-1)-3=-4(-5y+4)-9y equation:


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

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

Reorder the terms:
-7 + -3 + 7y = -4(-5y + 4) + -9y

Combine like terms: -7 + -3 = -10
-10 + 7y = -4(-5y + 4) + -9y

Reorder the terms:
-10 + 7y = -4(4 + -5y) + -9y
-10 + 7y = (4 * -4 + -5y * -4) + -9y
-10 + 7y = (-16 + 20y) + -9y

Combine like terms: 20y + -9y = 11y
-10 + 7y = -16 + 11y

Solving
-10 + 7y = -16 + 11y

Solving for variable 'y'.

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

Add '-11y' to each side of the equation.
-10 + 7y + -11y = -16 + 11y + -11y

Combine like terms: 7y + -11y = -4y
-10 + -4y = -16 + 11y + -11y

Combine like terms: 11y + -11y = 0
-10 + -4y = -16 + 0
-10 + -4y = -16

Add '10' to each side of the equation.
-10 + 10 + -4y = -16 + 10

Combine like terms: -10 + 10 = 0
0 + -4y = -16 + 10
-4y = -16 + 10

Combine like terms: -16 + 10 = -6
-4y = -6

Divide each side by '-4'.
y = 1.5

Simplifying
y = 1.5

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