Answer:
the answer is 20x - 41y
Step-by-step explanation:
Distribute:
= 7(3x-5y) + -1 (x+6y)
=7(3x-5y) + -1x + -1x (6y)
=7(3x-5y) + -x + -x (6y)
Distribute:
=7(3x-5y) + -x + -x + -6y
= 21x + -35y + -x + -x + -6y
Combine like terms:
= 21x + -35y + -x + -6y
=(21x-x) + (-35y-6y)
=20x + -41y
