Question

Is the point (8,5) a solution to the system of equations given below?

y=x-3
5x = 25 + 3y
A
Yes
B
No

Answer 1

5x=25+3y

5x=25+3(x-3)

5x=25+3x-9

5x=25-9+3x

5x=16+3x

5x-3x=16

2x=16

x=16/2

8 is answer