👤
LOMLEOOIN
Answered

If 2x + y = 13 and 2x – y = 3, what is the value of x? ​

Sagot :

PENGEWATERPLSIN

Answer:

x = 4

Step-by-step explanation:

isolate y in first equation

2x + y = 13

y = 13 - 2x

then replace y in the second equation

2x - y = 3

2x - (13-2x) = 3

2x - 13 + 2x = 3

4x = 16

x = 4