Question

Find the value of z in the following equation.
z + 3z + 25 = 125

Answer 1

Answer: 25

Explanation:

Combine like terms

z + 3z + 25 = 125

4z + 25 = 125

Subtract 25 on both sides

4z = 100

z = 25

Answer 2

25

Explanation:

z+3z+25=125

4z=100

z=25