Question

2x - 4y = 148
(5x + 2y = -25
Ayuda ​

Answer 1

2y - 4y = 148

2y = 148

y = 148/2

y = 74

5x + 2x = -25

7x = -25

x = -25/7

x = -3,57

o si no te convence tal ves

x = 3,57