-15(-3)=15-7c

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Solution for -15(-3)=15-7c equation:


Simplifying
-15(-3) = 15 + -7c

Multiply -15 * -3
45 = 15 + -7c

Solving
45 = 15 + -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.
45 + 7c = 15 + -7c + 7c

Combine like terms: -7c + 7c = 0
45 + 7c = 15 + 0
45 + 7c = 15

Add '-45' to each side of the equation.
45 + -45 + 7c = 15 + -45

Combine like terms: 45 + -45 = 0
0 + 7c = 15 + -45
7c = 15 + -45

Combine like terms: 15 + -45 = -30
7c = -30

Divide each side by '7'.
c = -4.285714286

Simplifying
c = -4.285714286

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