Step-by-step explanation:
3(3a+4b)+4(2a-5b)
=9a+12b+8a-20b
=17a-8b
Answer:
000
Step-by-step explanation:
000
Answer:
15
Step-by-step explanation:
5÷1+3+7
PEMDAS
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction
5÷1= 5, then 5+3=8, then 8+7= 15
Answer:
4
Step-by-step explanation: