Math

Question Solve for cc in the equation 6.8c1.2=2.9-6.8-\frac{c}{1.2}=-2.9.

Studdy Solution

STEP 1

Assumptions
1. We are given the equation 6.8c1.2=2.9-6.8 - \frac{c}{1.2} = -2.9.
2. We need to solve for the variable cc.

STEP 2

First, we want to isolate the term containing the variable cc on one side of the equation. To do this, we will add 6.86.8 to both sides of the equation to cancel the 6.8-6.8 on the left side.
6.8c1.2+6.8=2.9+6.8-6.8 - \frac{c}{1.2} + 6.8 = -2.9 + 6.8

STEP 3

Perform the addition on both sides of the equation.
c1.2=2.9+6.8- \frac{c}{1.2} = -2.9 + 6.8

STEP 4

Calculate the sum on the right side of the equation.
c1.2=3.9- \frac{c}{1.2} = 3.9

STEP 5

Now, to solve for cc, we need to get rid of the denominator 1.21.2 that is with cc. We can do this by multiplying both sides of the equation by 1.21.2.
1.2×c1.2=3.9×1.21.2 \times - \frac{c}{1.2} = 3.9 \times 1.2

STEP 6

On the left side, the 1.21.2 in the numerator and the denominator will cancel out, leaving us with c-c.
c=3.9×1.2-c = 3.9 \times 1.2

STEP 7

Now, calculate the product on the right side of the equation.
c=4.68-c = 4.68

STEP 8

We have c=4.68-c = 4.68, but we want to find the value of cc. To do this, we will multiply both sides of the equation by 1-1 to make cc positive.
1×c=4.68×1-1 \times -c = 4.68 \times -1

STEP 9

Calculate the product on both sides of the equation.
c=4.68c = -4.68
The solution to the equation 6.8c1.2=2.9-6.8 - \frac{c}{1.2} = -2.9 is c=4.68c = -4.68.

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