2.2c+4.2c-6=c+7

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Solution for 2.2c+4.2c-6=c+7 equation:


Simplifying
2.2c + 4.2c + -6 = c + 7

Reorder the terms:
-6 + 2.2c + 4.2c = c + 7

Combine like terms: 2.2c + 4.2c = 6.4c
-6 + 6.4c = c + 7

Reorder the terms:
-6 + 6.4c = 7 + c

Solving
-6 + 6.4c = 7 + c

Solving for variable 'c'.

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

Add '-1c' to each side of the equation.
-6 + 6.4c + -1c = 7 + c + -1c

Combine like terms: 6.4c + -1c = 5.4c
-6 + 5.4c = 7 + c + -1c

Combine like terms: c + -1c = 0
-6 + 5.4c = 7 + 0
-6 + 5.4c = 7

Add '6' to each side of the equation.
-6 + 6 + 5.4c = 7 + 6

Combine like terms: -6 + 6 = 0
0 + 5.4c = 7 + 6
5.4c = 7 + 6

Combine like terms: 7 + 6 = 13
5.4c = 13

Divide each side by '5.4'.
c = 2.407407407

Simplifying
c = 2.407407407

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