Answer:
6
.......
.
...........
10x +45
30 + 5 (2x -1) +20
30 + 10x -5 +20
10x +50 +5
10x + 45
4a ^2, 5a
Constants- -3
Coefficients- 4, -5
Second Expression:
Terms- 7(3x+5), 11y
Constants- 7, 5
Coefficients- -3, 11