the answer is
2x + 7x = 63
9x = 63
x = 7
Answer:
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
Step-by-step explanation:
