3y+7=4y

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Solution for 3y+7=4y equation:


Simplifying
3y + 7 = 4y

Reorder the terms:
7 + 3y = 4y

Solving
7 + 3y = 4y

Solving for variable 'y'.

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

Add '-4y' to each side of the equation.
7 + 3y + -4y = 4y + -4y

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

Combine like terms: 4y + -4y = 0
7 + -1y = 0

Add '-7' to each side of the equation.
7 + -7 + -1y = 0 + -7

Combine like terms: 7 + -7 = 0
0 + -1y = 0 + -7
-1y = 0 + -7

Combine like terms: 0 + -7 = -7
-1y = -7

Divide each side by '-1'.
y = 7

Simplifying
y = 7

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