Question

Y=7x
2x+y=63
Solve this equation

Answer 1

the answer is

2x + 7x = 63

9x = 63

x = 7

Answer 2

Y=7X...........1

2X+Y=63......2 PUT THE Y =7X IN EQUATION 2

2X+7X=63

9X=63

X=63/9

X=7

VALUE X=7 IS PUT IN EQUATION 1

Y=7X

Y=7×7

Y= 49

ANS X=7

Y=49

Explanation: