4+2(5z-5)+7z=

Solution for 4+2(5z-5)+7z= equation:

Simplifying
4 + 2(5z + -5) + 7z = 0

Reorder the terms:
4 + 2(-5 + 5z) + 7z = 0
4 + (-5 * 2 + 5z * 2) + 7z = 0
4 + (-10 + 10z) + 7z = 0

Combine like terms: 4 + -10 = -6
-6 + 10z + 7z = 0

Combine like terms: 10z + 7z = 17z
-6 + 17z = 0

Solving
-6 + 17z = 0

Solving for variable 'z'.

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

Add '6' to each side of the equation.
-6 + 6 + 17z = 0 + 6

Combine like terms: -6 + 6 = 0
0 + 17z = 0 + 6
17z = 0 + 6

Combine like terms: 0 + 6 = 6
17z = 6

Divide each side by '17'.
z = 0.3529411765

Simplifying
z = 0.3529411765