3y-4=7y+7

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


Simplifying
3y + -4 = 7y + 7

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

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

Solving
-4 + 3y = 7 + 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.
-4 + 3y + -7y = 7 + 7y + -7y

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

Combine like terms: 7y + -7y = 0
-4 + -4y = 7 + 0
-4 + -4y = 7

Add '4' to each side of the equation.
-4 + 4 + -4y = 7 + 4

Combine like terms: -4 + 4 = 0
0 + -4y = 7 + 4
-4y = 7 + 4

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

Divide each side by '-4'.
y = -2.75

Simplifying
y = -2.75

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