7+2z+(-3.5)+(-0.5y)=5

Solution for 7+2z+(-3.5)+(-0.5y)=5 equation:

Simplifying
7 + 2z + (-3.5) + (-0.5y) = 5
7 + 2z + -3.5 + (-0.5y) = 5

Reorder the terms:
7 + -3.5 + (-0.5y) + 2z = 5

Combine like terms: 7 + -3.5 = 3.5
3.5 + (-0.5y) + 2z = 5

Solving
3.5 + (-0.5y) + 2z = 5

Solving for variable 'y'.

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

Add '-3.5' to each side of the equation.
3.5 + (-0.5y) + -3.5 + 2z = 5 + -3.5

Reorder the terms:
3.5 + -3.5 + (-0.5y) + 2z = 5 + -3.5

Combine like terms: 3.5 + -3.5 = 0.0
0.0 + (-0.5y) + 2z = 5 + -3.5
(-0.5y) + 2z = 5 + -3.5

Combine like terms: 5 + -3.5 = 1.5
(-0.5y) + 2z = 1.5

Add '-2z' to each side of the equation.
(-0.5y) + 2z + -2z = 1.5 + -2z

Combine like terms: 2z + -2z = 0
(-0.5y) + 0 = 1.5 + -2z
(-0.5y) = 1.5 + -2z

Divide each side by '-0.5'.
y = -3 + 4z

Simplifying
y = -3 + 4z