Answer:
x= 105
y= 40
Step-by-step explanation:
3y=4y-40 because they are alternate interior
Solve for y.
y=40
4y-40=x+15 because they are vertical angles.
Substitute 40 in for y.
4(40)-40=x+15
Solve.
x=105
I only know number 9
9. 9x+38
Answer:it’s 19 inches and 60 inches.
Step-by-step explanation:
6(3x + 4) + 5(12-x) simplifies to
D) 13x + 84