7y+8=3y+4

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Solution for 7y+8=3y+4 equation:


Simplifying
7y + 8 = 3y + 4

Reorder the terms:
8 + 7y = 3y + 4

Reorder the terms:
8 + 7y = 4 + 3y

Solving
8 + 7y = 4 + 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 = 4 + 3y + -3y

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

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

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

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

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

Divide each side by '4'.
y = -1

Simplifying
y = -1

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