Answer:
Step-by-step explanation:
hello :
y=6x...(*)
y = 5x + 7...(**)
by (*) put the value of y in(**) :
6x=5x+7
6x-5x=7
x=7 but y=6x so : y=42
the system solution is (7,42)
7x -14=35 add 14 on both sides
7x= 49 then, divide 7 on the whole equation
<u>x=7</u>
