3-7y+5=4y+20-7y

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Solution for 3-7y+5=4y+20-7y equation:


Simplifying
3 + -7y + 5 = 4y + 20 + -7y

Reorder the terms:
3 + 5 + -7y = 4y + 20 + -7y

Combine like terms: 3 + 5 = 8
8 + -7y = 4y + 20 + -7y

Reorder the terms:
8 + -7y = 20 + 4y + -7y

Combine like terms: 4y + -7y = -3y
8 + -7y = 20 + -3y

Solving
8 + -7y = 20 + -3y

Solving for variable 'y'.

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

Add '3y' to each side of the equation.
8 + -7y + 3y = 20 + -3y + 3y

Combine like terms: -7y + 3y = -4y
8 + -4y = 20 + -3y + 3y

Combine like terms: -3y + 3y = 0
8 + -4y = 20 + 0
8 + -4y = 20

Add '-8' to each side of the equation.
8 + -8 + -4y = 20 + -8

Combine like terms: 8 + -8 = 0
0 + -4y = 20 + -8
-4y = 20 + -8

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

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

Simplifying
y = -3

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