3y+6-7=y+4

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Solution for 3y+6-7=y+4 equation:


Simplifying
3y + 6 + -7 = y + 4

Reorder the terms:
6 + -7 + 3y = y + 4

Combine like terms: 6 + -7 = -1
-1 + 3y = y + 4

Reorder the terms:
-1 + 3y = 4 + y

Solving
-1 + 3y = 4 + y

Solving for variable 'y'.

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

Add '-1y' to each side of the equation.
-1 + 3y + -1y = 4 + y + -1y

Combine like terms: 3y + -1y = 2y
-1 + 2y = 4 + y + -1y

Combine like terms: y + -1y = 0
-1 + 2y = 4 + 0
-1 + 2y = 4

Add '1' to each side of the equation.
-1 + 1 + 2y = 4 + 1

Combine like terms: -1 + 1 = 0
0 + 2y = 4 + 1
2y = 4 + 1

Combine like terms: 4 + 1 = 5
2y = 5

Divide each side by '2'.
y = 2.5

Simplifying
y = 2.5

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