thecutieisaiah thecutieisaiah

04-05-2021
Mathematics

contestada

A number is 7 more than 5 times another number and their difference is 78 Find the numbers

Respuesta :

clarch19 clarch19

04-05-2021

Answer:

n = 95.75

m = 17.75

Step-by-step explanation:

n = one number

m = another number

System of Equations:

n = 7+5m

n - m = 78

Substitution Method:

7+5m - m = 78

4m + 7 = 78

4m = 71

m = 17.75

n - 17.75 = 78

n = 95.75

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