Answer:
8
Step-by-step explanation:
it is 8
82+2x=180
2x=98
x=49
answer is x=49
Most likely she incorrectly moved the decimal point in her calculation. The percent of a group cannot be more than 100.
Hello,
x=3+2y
==> 3(3+2y)²-5(3+2y)y-16y=24
==>2y²+5y+3=0
==>(y=-3/2 and x= 0 or y=-1 and x=1)
sol={(0,-3/2),(1,-1)}
For solving varible's and for real life questions.
EXAMPLE when you want to figur out what does X eqles
X×4=12 you have to take 12÷4 and that eqles 3