7-1=y-4

Solution for 7-1=y-4 equation:

Simplifying
7 + -1 = y + -4

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

Reorder the terms:
6 = -4 + y

Solving
6 = -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.
6 + -1y = -4 + y + -1y

Combine like terms: y + -1y = 0
6 + -1y = -4 + 0
6 + -1y = -4

Add '-6' to each side of the equation.
6 + -6 + -1y = -4 + -6

Combine like terms: 6 + -6 = 0
0 + -1y = -4 + -6
-1y = -4 + -6

Combine like terms: -4 + -6 = -10
-1y = -10

Divide each side by '-1'.
y = 10

Simplifying
y = 10