Question

solve the following
x+7y=10;3x-2y=7​

Answer 1

x+7y = 10( multiply with 3)

3x -2y = 7

we get

3x +21y = 30

3x -2y = 7

by solving we get

23y = 37

y = 37/23

put y value in (1)

x + 7(37/23) = 10

x + 259/23 = 10

23x +259 = 230

23x -29 = 0

23x = 29

x = 29/23