7(c-9)=9(2c-8)+4

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Solution for 7(c-9)=9(2c-8)+4 equation:


Simplifying
7(c + -9) = 9(2c + -8) + 4

Reorder the terms:
7(-9 + c) = 9(2c + -8) + 4
(-9 * 7 + c * 7) = 9(2c + -8) + 4
(-63 + 7c) = 9(2c + -8) + 4

Reorder the terms:
-63 + 7c = 9(-8 + 2c) + 4
-63 + 7c = (-8 * 9 + 2c * 9) + 4
-63 + 7c = (-72 + 18c) + 4

Reorder the terms:
-63 + 7c = -72 + 4 + 18c

Combine like terms: -72 + 4 = -68
-63 + 7c = -68 + 18c

Solving
-63 + 7c = -68 + 18c

Solving for variable 'c'.

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

Add '-18c' to each side of the equation.
-63 + 7c + -18c = -68 + 18c + -18c

Combine like terms: 7c + -18c = -11c
-63 + -11c = -68 + 18c + -18c

Combine like terms: 18c + -18c = 0
-63 + -11c = -68 + 0
-63 + -11c = -68

Add '63' to each side of the equation.
-63 + 63 + -11c = -68 + 63

Combine like terms: -63 + 63 = 0
0 + -11c = -68 + 63
-11c = -68 + 63

Combine like terms: -68 + 63 = -5
-11c = -5

Divide each side by '-11'.
c = 0.4545454545

Simplifying
c = 0.4545454545

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