Answer:
10x +3x are like terms
5+1 is terms
Step-by-step explanation:
-2 - 3 -(-4)= -2 - 3 + 4
-2 - 3 + 4
-5 + 4
= -1
Answer:
A
Step-by-step explanation:
refer to the pic above
The angles should add to 540, so
b+ (3/2)b+(b+45)+(2b-90)+90=540
First combine like terms
5.5b+45=540
Then subtract 45 from both sides
5.5b=495
Divide both sides by 5.5
b=90
Final answer: b=90
Twenty two an thirty five hundredths