Answer:
7n-10
Step-by-step explanation:
=(5n-3) - (-2n) -7 [Bracket Opens]
=5n - 3 +2n -7 [- × - = +]
=7n - 10 [ addition]
Answer: n=37
0.05n+0.10x2n=9.25
0.25n=9.25
n=9.25/0.25
n=37
<em><u>If you are solving for y :</u></em>
<em><u></u></em>
7x7=49, so 7
