6+2(5-z)=7

Solution for 6+2(5-z)=7 equation:

Simplifying
6 + 2(5 + -1z) = 7
6 + (5 * 2 + -1z * 2) = 7
6 + (10 + -2z) = 7

Combine like terms: 6 + 10 = 16
16 + -2z = 7

Solving
16 + -2z = 7

Solving for variable 'z'.

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

Add '-16' to each side of the equation.
16 + -16 + -2z = 7 + -16

Combine like terms: 16 + -16 = 0
0 + -2z = 7 + -16
-2z = 7 + -16

Combine like terms: 7 + -16 = -9
-2z = -9

Divide each side by '-2'.
z = 4.5

Simplifying
z = 4.5