2z+7(z-3)=

Solution for 2z+7(z-3)= equation:

Simplifying
2z + 7(z + -3) = 0

Reorder the terms:
2z + 7(-3 + z) = 0
2z + (-3 * 7 + z * 7) = 0
2z + (-21 + 7z) = 0

Reorder the terms:
-21 + 2z + 7z = 0

Combine like terms: 2z + 7z = 9z
-21 + 9z = 0

Solving
-21 + 9z = 0

Solving for variable 'z'.

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

Add '21' to each side of the equation.
-21 + 21 + 9z = 0 + 21

Combine like terms: -21 + 21 = 0
0 + 9z = 0 + 21
9z = 0 + 21

Combine like terms: 0 + 21 = 21
9z = 21

Divide each side by '9'.
z = 2.333333333

Simplifying
z = 2.333333333