Answer:
If you were to solve for, 7b+ 2b = 2 then;
7b+ 2b = 2
Combine like terms first:
(7b + 2b)
9b = 2
Then divide by 9 from both sides to solve for b:
/9 /9
b = 2/9 or 0.222..
If you were to solve for, 3(2c - 10) then;
3(2c - 10)
Use the distributive property, and multiply 3 to both 2c and 10:
3(2c) - 3(10)
6c - 30
If you were to solve for, 1 + 2.1y - 0.9y + 4 then;
1 + 2.1y - 0.9y + 4
Combine like terms:
(1 + 4) (2.1y - 0.9y)
5 + 1.2
