Answer:
1. 2(4a+3)
2. 7x-26
3. -20a-7
Step-by-step explanation:
1. (-3a+4)+(11a+2)
remove unnecessary parentheses
-3a+4+(11a+2)
when there is a+in front of an expression in parentheses, the expression remains the same
-3a+4+11a+2
-3a+4+11a+2
collect like terms
explain how
8a+4+2
add number
explain how
8a+6
8a+6
factor out 2 from the expression
2(4a+3)
solution
2(4a+3)
