4(y+7)=8y+40

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Solution for 4(y+7)=8y+40 equation:


Simplifying
4(y + 7) = 8y + 40

Reorder the terms:
4(7 + y) = 8y + 40
(7 * 4 + y * 4) = 8y + 40
(28 + 4y) = 8y + 40

Reorder the terms:
28 + 4y = 40 + 8y

Solving
28 + 4y = 40 + 8y

Solving for variable 'y'.

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

Add '-8y' to each side of the equation.
28 + 4y + -8y = 40 + 8y + -8y

Combine like terms: 4y + -8y = -4y
28 + -4y = 40 + 8y + -8y

Combine like terms: 8y + -8y = 0
28 + -4y = 40 + 0
28 + -4y = 40

Add '-28' to each side of the equation.
28 + -28 + -4y = 40 + -28

Combine like terms: 28 + -28 = 0
0 + -4y = 40 + -28
-4y = 40 + -28

Combine like terms: 40 + -28 = 12
-4y = 12

Divide each side by '-4'.
y = -3

Simplifying
y = -3

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