y-7=3y-4

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


Simplifying
y + -7 = 3y + -4

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

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

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

Combine like terms: y + -3y = -2y
-7 + -2y = -4 + 3y + -3y

Combine like terms: 3y + -3y = 0
-7 + -2y = -4 + 0
-7 + -2y = -4

Add '7' to each side of the equation.
-7 + 7 + -2y = -4 + 7

Combine like terms: -7 + 7 = 0
0 + -2y = -4 + 7
-2y = -4 + 7

Combine like terms: -4 + 7 = 3
-2y = 3

Divide each side by '-2'.
y = -1.5

Simplifying
y = -1.5

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