Vertical angles are congruent. 3x+15 = 2x-10. x = -25
His mistake was in multiplying the 3 with the 12. He should have divided it from the 12 because that would have gotten rid of the 3 with the variable. It would also lead to the correct answer, which is b=4
Answer:
3.4
Step-by-step explanation:
just divide 8.16 by 2.4
:)
Answer:
slope is -4 y-axis is 9
Step-by-step explanation:
