Step-by-step explanation:
m+3=9
m=9-3=6
The second question I guess that it is solved like
2x+5=11
2x=11-5
2x=6
X=3
Or the other qusetion 5x-8=27
5x=19
X=19/5
I don't know the machine so sorry
Answer:
it's b 20+20+25+50+35 =140
Answer: (- 7 )
simplify numerators and denominators.
∴ we get (-7)