Answer:
45 and 63
Step-by-step explanation:
7x-5x=18
<u>2x</u>=<u>18</u>
2 2
x=9
7(9)=63
5(9)=45
<span>184,626
<span><span><span><span><span>I hope this helps;)</span></span></span></span></span></span>
10x squared - 25x squared + 10x
6.4(3)+2.8y=44.4
=19.2+2.8y=44.4
=2.8y=44.4-19.2
2.8y=25.2
Y=25.2/2.8=9
Y=9