The equation is b-a= 21;
2b-5a = 18
a=8 and b= 29
therefore 29-8= 21
2 (29) -5 (8) = 18
58-40=18
Answer: <em>Einstein primarily emigrated to the United States because he had a Jewish background, and Adolf Hitler, who became Germany's chancellor in 1932, was about to adopt Anti-Semitic policie</em>s.
<em>Hope this helps!!</em>
<em>Sorry if it's incorrect!!</em>
<em>Have a nice day!!</em>
Answer:
Not clear enough
Step-by-step explanation:
please resend the question and make it more clear and readable
9y+7 + 7y-19 = 180
Y =12 degrees