Answer:
11x + 12
Step-by-step explanation:
( 4x + 12 ) + 7x
Remove parentheses.
= 4x + 12 + 7x
Group like terms.
= 4x + 7x + 12
Add similar elements: 4x + 7x = 11x
= 11x + 12
The answer is -x(0.09375x-15).
Answer:
Step-by-step explanation:
two intersecting lines :- one
one line:- infinite
two parallel lines:- no solution.