8y+43-7y=42

Solution for 8y+43-7y=42 equation:

Simplifying
8y + 43 + -7y = 42

Reorder the terms:
43 + 8y + -7y = 42

Combine like terms: 8y + -7y = 1y
43 + 1y = 42

Solving
43 + 1y = 42

Solving for variable 'y'.

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

Add '-43' to each side of the equation.
43 + -43 + 1y = 42 + -43

Combine like terms: 43 + -43 = 0
0 + 1y = 42 + -43
1y = 42 + -43

Combine like terms: 42 + -43 = -1
1y = -1

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

Simplifying
y = -1