17
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c
_ = -3
13
just multiply everthing by 13 to get c by itself
c
_ (13) = -3(13)
13
-3x13=-42
-42 is your answer
The answer is 21 because if 21 is divided by 3 it equals 7 plus 4 equals 11.
An equation where c = -86
If you mean 3c = 214, then c = 68
-8c+1 = -3 -8c = -3-1 -8c = -4 Divide both sides by -8 in order to find the value of c remembering that a minus number divided into minus number is equal to a plus number: c = 1/2
a = 3b - c a + c = 3b - c + c a + c = 3b (a + c)/3 = 3b/3 ( a + c ) / 3 = b Do your homework.