Question

if 4x+2y=0 and -3x-y=5 find x+y

Answer 1

x=0 and y=5 Exchange the -3x to +2y

Answer 2

$4x + 2y = 0 \\ 4x = - 2y \\ x = - 2y \div 4..............(1) \\ putting \: the \: value \: of \: x \: in \\ - 3x - y = 5 \\ - 3 \times - 2 \div 4 - y = 5 \\ 6 \div 4 - y = 5 \\ 1.5 - y = 5 \\ - y = 5 - 1.5 \\ - y = 3.5 \: or \: y = - 3.5 \\ \: now \: putting \: the \: value \: of \: y \: in \: eqn \: 1 \\ x = - 2y \div 4 \\ x = - 2 \times - 3.5 \div 4 \\ x = 7.0 \div 4 \\ x = 1.75 \\ hope \: it \: is \: correct \: answer \: if \: it \: is \: corect \: thn \: plz \: mark \: me \: as \: brainliet$