Answer:
(3, 22)
Step-by-step explanation:
first you substitute 10x-8 for y in the first equation
-5x+3(10x-8)=51
then multiply
-5x+30x-24=51
add 24 to 51 and -5x to 30x
25x=75
divide by 25
x=3
then you substitute x=3 in the second equation
y=10(3)-8
30-8= 22
y=22
