Answer:
9ab+3a
Step-by-step explanation:
(2a+a)(3b+1)=(3a)(3b+1)
3a(3b+1)
=(3a×3b)+3a×1
=9ab+3a
2x+6=12
25-3r+2=3
4(t-3)=8
4c-12=8
Answer:
33,600
Step-by-step explanation:
take -4200 and multiply it by 8. You'd do this since the equation to get -4200 is
x(1/8) = -4200
multiply both sides by 8 to get rid of the fraction and you get x=33,600
Answer:
5 =y
Step-by-step explanation:
-4y-3=5-3y+6-19
Combine like terms
-4y -3 = -3y -8
Add 4y to each side
-4y+4y -3 = -3y+4y -8
-3 = y -8
Add 8 to each side
-3+8 = y-8+8
5 =y
The answer to number nine is 40