6+4(1-9c)=21

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Solution for 6+4(1-9c)=21 equation: 


Simplifying
6 + 4(1 + -9c) = 21
6 + (1 * 4 + -9c * 4) = 21
6 + (4 + -36c) = 21

Combine like terms: 6 + 4 = 10
10 + -36c = 21

Solving
10 + -36c = 21

Solving for variable 'c'.

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

Add '-10' to each side of the equation.
10 + -10 + -36c = 21 + -10

Combine like terms: 10 + -10 = 0
0 + -36c = 21 + -10
-36c = 21 + -10

Combine like terms: 21 + -10 = 11
-36c = 11

Divide each side by '-36'.
c = -0.3055555556

Simplifying
c = -0.3055555556

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