7copies of the sum of 8 fifths and 4

If you would like to transform the phrase 7 copies of the sum of 8 fifths and 4 into a math expression, you can do this using the following steps:

8 fifths ... 8/5

the sum of 8 fifths and 4 ... 8/5 + 4

7 copies ... 7 *

7 * (8/5 + 4) = 7 * (8/5 + 20/5) = 7 * 28/5 = 196/5 = 39.2

The correct result would be 196/5.

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step-by-step explanation:

step-by-step explanation:

step 1: solve one of the equations for one of the variables. let's solve the first equation for y:

step 2: substitute that equation into the other equation, and solve for x.

step 3: substitute x = 4 x = 4 x=4 into one of the original equations, and solve for y.