Question

x + y = 7 and 2x - y = 3 find x and y by substitution method​

Answer 1

Answer:

$x + y = 7 \\ = > x = 7 - y \\ 2x - y = 3 \\ = > 2(7 - y) - y = 3 \\ = > 14 - 2y - y = 3 \\ = > 14 - 3y = 3 \\ = > y = 11 \div 3 \\ putting \: the \: value \: of \: y \: in \: x \: we \: get \\ x = 7 - 3.6 = 3.4$

Answer 2

Answer:

here's your answer

hope it will help you