Answer:
x = 72 i hope this helps :)
Step-by-step explanation:
given, + =
simplify 81 + 2x = 225
subtract 81 from both sides 2x = 144
divide both sides by 2 x = 72
x=12
9^2=81
15^2=225
225-81=144
√144=12
I hope this helps!
the first one
Answer: 3+15+9+19=46
No sé si este es un problema de opción múltiple, pero tanto (A) como (B) son fracciones equivalentes.
y²+5y+4=y²+4y+y+4=y(y+4)+1(y+4)=
<u>(y+4)(y+1)</u>
The value of X is 15.5.
