3.9=0.78(c+2)

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Solution for 3.9=0.78(c+2) equation:


Simplifying
3.9 = 0.78(c + 2)

Reorder the terms:
3.9 = 0.78(2 + c)
3.9 = (2 * 0.78 + c * 0.78)
3.9 = (1.56 + 0.78c)

Solving
3.9 = 1.56 + 0.78c

Solving for variable 'c'.

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

Add '-0.78c' to each side of the equation.
3.9 + -0.78c = 1.56 + 0.78c + -0.78c

Combine like terms: 0.78c + -0.78c = 0.00
3.9 + -0.78c = 1.56 + 0.00
3.9 + -0.78c = 1.56

Add '-3.9' to each side of the equation.
3.9 + -3.9 + -0.78c = 1.56 + -3.9

Combine like terms: 3.9 + -3.9 = 0.0
0.0 + -0.78c = 1.56 + -3.9
-0.78c = 1.56 + -3.9

Combine like terms: 1.56 + -3.9 = -2.34
-0.78c = -2.34

Divide each side by '-0.78'.
c = 3

Simplifying
c = 3

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