Simplify and justify steps 4(a+2b)=3(2a-b)+6a-7b
1 answer:
4( a + 2b ) = 4a + 4*(2b) = 4a + 8b;
3( 2a - b ) = 3*(2a) - 3b = 6a - 3b;
3( 2a - b ) + 6a - 7b = 6a - 3b + 6a - 7b = 6a + 6a -3b -7b = 12a - 10b;
Finally, 4a + 8b = 12a - 10b;
8b + 10b = 12a - 4a;
18b = 8a ;
9b = 4a.
You might be interested in
Answer:
D
Step-by-step explanation:
4y(3y + 9)
12y + 36
36 ÷ 12=x=3
Answer:
Step-by-step explanation:
Using the parallelogram theorem
3x-8 = 10x+13
-7x = 21
x = -3
Substitute
3(-3) - 8
-17
10(-3) + 13
-17
Can I see the picture it’s blurry
Answer:
d I think but dont quote me
Step-by-step explanation:
idk I just guessed