-9(-7z-9+10c)=

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Solution for -9(-7z-9+10c)= equation:


Simplifying
-9(-7z + -9 + 10c) = 0

Reorder the terms:
-9(-9 + 10c + -7z) = 0
(-9 * -9 + 10c * -9 + -7z * -9) = 0
(81 + -90c + 63z) = 0

Solving
81 + -90c + 63z = 0

Solving for variable 'c'.

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

Add '-81' to each side of the equation.
81 + -90c + -81 + 63z = 0 + -81

Reorder the terms:
81 + -81 + -90c + 63z = 0 + -81

Combine like terms: 81 + -81 = 0
0 + -90c + 63z = 0 + -81
-90c + 63z = 0 + -81

Combine like terms: 0 + -81 = -81
-90c + 63z = -81

Add '-63z' to each side of the equation.
-90c + 63z + -63z = -81 + -63z

Combine like terms: 63z + -63z = 0
-90c + 0 = -81 + -63z
-90c = -81 + -63z

Divide each side by '-90'.
c = 0.9 + 0.7z

Simplifying
c = 0.9 + 0.7z

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