Y=6x (1)
y=5x-7 (2)
Substitute y into (2)
(6x)=5x-7 -- subtract 5x from both sides
x=-7
Sub x into 1
y=6(-7)
y=-42
x=-7
y=-42
thirteen is equal to two plus six T. Hope this can help. Have a wonderful day. : )
4a-13=19 add 13 to both sides
4a=32 divide by 4 on both sides
a=8
