Respuesta :
Answer:
x=5 and y=25
Step-by-step explanation:
y=5x
3x+10=5x
3x+10+−5x=5x+−5x(Add -5x to both sides)
−2x+10=0
−2x+10+−10=0+−10(Add -10 to both sides)
−2x=−10
−2x
−2
=
−10
−2
(Divide both sides by -2)
x=5
y=3x+10
y=(3)(5)+10
y=25(Simplify both sides of the equation)