Question

7x+24=33
4x+2y=18 ayudenme con esto porfavor ​

Answer 1

1) 7x + 24 = 33

7x = 33 - 24

7x = 9

x = 9/7

2) 4x + 2y = 18

4(9/7) + 2y = 18

36/7 + 2y = 18

2y = 18 - 36/7

2y = 90/7

y = (90/7)/2

y = 45/7

Comprobación:

4(9/7) + 2(45/7) = 18

36/7 + 90/7 = 18

18 = 18 ------ Si cumple