2*0+3=5*0-y

Solution for 2*0+3=5*0-y equation:

Simplifying
2 * 0 + 3 = 5 * 0 + -1y

Multiply 2 * 0
0 + 3 = 5 * 0 + -1y

Anything times zero is zero.
0 + 3 = 5 * 0 + -1y

Combine like terms: 0 + 3 = 3
3 = 5 * 0 + -1y

Multiply 5 * 0
3 = 0 + -1y

Anything times zero is zero.
3 = 0 + -1y
Remove the zero:
3 = -1y

Solving
3 = -1y

Solving for variable 'y'.

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

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

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

Add '-3' to each side of the equation.
3 + -3 + y = 0 + -3

Combine like terms: 3 + -3 = 0
0 + y = 0 + -3
y = 0 + -3

Combine like terms: 0 + -3 = -3
y = -3

Simplifying
y = -3