Question

Find the solution by substitution method : x-3y - 10 =0 and x-7y +30=0

Answer 1

Step-by-step explanation:

this is the answer this is substitution method

Answer 2

Answer:

it can be solved like this

Step-by-step explanation:

click on the image and know the solution

x-3y-10=0. --- 1

x-7y+30=0 ---2

with 1

x-3y-10=0

x-3y=10

x=10+3y. ----3

substitute 3 in 2

x-7y+30=0

10+3y-7y+30=0

-4y+40=0

-4y=40

y=40/4

y=10. ----4

substitute 4 in 3

x=10+3y

x=10+3(10)

x=10+30

x=40

x=40. y=10