Answer:
3
Step-by-step explanation:
substitute -2 in where y is.
the subtraction sign in front of the 3 makes it negative so -3 x -2 is positive 6.
4x+6=18, subtract 6 on both sides.
4x=12
divide 4 on each side.
×=3
1 fluid ounce roughly equals 0.0078 gallons, so 832 fluid ounces equal 6.5 gallons. Please mark Brainliest!
Answer:
2n+5 =3
n=-1
The number is -1
Step-by-step explanation:
Let n be the number
Twice the number
2n
Plus 5
2n+5
is means equals
2n+5 =3
Now we want to solve
Subtract 5 from each side
2n+5-5 = 3-5
2n = -2
Divide each side by 2
2n/2 = -2/2
n = -1
Answer:
<em><u>about 23 units</u></em>
Step-by-step explanation:
Answer:
x=1,
y=1/2
Step-by-step explanation:
4x-8y=0
so 4x=8y
x=2y
5x+2y=6
because x=2y
so:
5x+x=6
6x=6
x=1;
then
x=2y
1=2y
y=1/2
