Answer:
the answer to your question is yes, but the answer to #21 is ;
mn
pn
ml
lp
Step-by-step explanation:
Since m + n = 7 we know m = 7-n. So now we have 2n - 3(7-n) = 6. From this we get n = -3. So now we know m - 3 = 7 so m = 10. So now we have 3(-3) + 2(10) = ? and this comes out as 11
R is 18 and x is 12 is the answer of your
question
