4(y-7)-7=-5(-4y+9)-8y

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Solution for 4(y-7)-7=-5(-4y+9)-8y equation:


Simplifying
4(y + -7) + -7 = -5(-4y + 9) + -8y

Reorder the terms:
4(-7 + y) + -7 = -5(-4y + 9) + -8y
(-7 * 4 + y * 4) + -7 = -5(-4y + 9) + -8y
(-28 + 4y) + -7 = -5(-4y + 9) + -8y

Reorder the terms:
-28 + -7 + 4y = -5(-4y + 9) + -8y

Combine like terms: -28 + -7 = -35
-35 + 4y = -5(-4y + 9) + -8y

Reorder the terms:
-35 + 4y = -5(9 + -4y) + -8y
-35 + 4y = (9 * -5 + -4y * -5) + -8y
-35 + 4y = (-45 + 20y) + -8y

Combine like terms: 20y + -8y = 12y
-35 + 4y = -45 + 12y

Solving
-35 + 4y = -45 + 12y

Solving for variable 'y'.

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

Add '-12y' to each side of the equation.
-35 + 4y + -12y = -45 + 12y + -12y

Combine like terms: 4y + -12y = -8y
-35 + -8y = -45 + 12y + -12y

Combine like terms: 12y + -12y = 0
-35 + -8y = -45 + 0
-35 + -8y = -45

Add '35' to each side of the equation.
-35 + 35 + -8y = -45 + 35

Combine like terms: -35 + 35 = 0
0 + -8y = -45 + 35
-8y = -45 + 35

Combine like terms: -45 + 35 = -10
-8y = -10

Divide each side by '-8'.
y = 1.25

Simplifying
y = 1.25

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