Answer:x=3,y=-5
Step-by-step explanation:
-7x+y=-19...(1)
-2x+3y=-19...(2)
Subject of formula from (1)
Y=-19+7x....(3)
Substitute (3) into (2)
-2x+3(-19+7x)=-19
-2x-57+21x=-19
Collect like terms
-2x+21x=-19+57
19x=38
X=2
Substitute x=2 to equation (3)
Y=-19+7(2)
Y=-19+14
Y=-5
X=2 and y=-5
