7(7-3z)=-z-11

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Solution for 7(7-3z)=-z-11 equation:


Simplifying
7(7 + -3z) = -1z + -11
(7 * 7 + -3z * 7) = -1z + -11
(49 + -21z) = -1z + -11

Reorder the terms:
49 + -21z = -11 + -1z

Solving
49 + -21z = -11 + -1z

Solving for variable 'z'.

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

Add 'z' to each side of the equation.
49 + -21z + z = -11 + -1z + z

Combine like terms: -21z + z = -20z
49 + -20z = -11 + -1z + z

Combine like terms: -1z + z = 0
49 + -20z = -11 + 0
49 + -20z = -11

Add '-49' to each side of the equation.
49 + -49 + -20z = -11 + -49

Combine like terms: 49 + -49 = 0
0 + -20z = -11 + -49
-20z = -11 + -49

Combine like terms: -11 + -49 = -60
-20z = -60

Divide each side by '-20'.
z = 3

Simplifying
z = 3

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