38.9=7c-1

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Solution for 38.9=7c-1 equation:


Simplifying
38.9 = 7c + -1

Reorder the terms:
38.9 = -1 + 7c

Solving
38.9 = -1 + 7c

Solving for variable 'c'.

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

Add '-7c' to each side of the equation.
38.9 + -7c = -1 + 7c + -7c

Combine like terms: 7c + -7c = 0
38.9 + -7c = -1 + 0
38.9 + -7c = -1

Add '-38.9' to each side of the equation.
38.9 + -38.9 + -7c = -1 + -38.9

Combine like terms: 38.9 + -38.9 = 0.0
0.0 + -7c = -1 + -38.9
-7c = -1 + -38.9

Combine like terms: -1 + -38.9 = -39.9
-7c = -39.9

Divide each side by '-7'.
c = 5.7

Simplifying
c = 5.7

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