(1) 2 of one step equations
x - 23 = 8
x - 23 + 23 = 8 + 23
x = 31
n + 2 = 9
n + 2 - 2 = 9 - 2
n = 7
(2) 2 equations with fractions
3/4 (x + 3) = 9
4 [ 3/4 (x + 3) ] = 4[9]
3 (x + 3) = 36
3x + 9 - 9 = 36 - 9
3x/3 = 27/3
1/3 x 3/4
cross multiply
so 3/12 and simplify which makes it
1/4
(3) distributive property
3(2 + 4) = (3 • 2) + (3 • 4)
3(6) = 6 + 12
18 = 18
P=2(l+w)
Substitute width plus 3 for length
Remember order of operations: multiply before adding
86=2((w+3) + w)
86=2w+6+2w
86=4w+6
80=4w
20=w
23=w+3=l
Check the answer
86=2((w+3) + w)
86=2((20+3)+20
86=2(23+20)
86=46+40
86=86
Answer:
D = 36 - 4 * 9 *(-2) = 104
Step-by-step explanation:
h
That's 2 that shet 26
x1= -{-6} - 2 that shet 26/6 x2=-{6}+ 2 that shet 26/6
No. It's the ratio of 37 to 100 .
Also, it can be written as a fraction with whole numbers
on top and bottom. Like this: 37/100 .
So it's a rational number.
In fact ... ANY number that you can write completely on paper
using digits is a rational number.
Answer: 4
Step-by-step explanation: We can rewrite this as 5 1/4 - 1 1/4 which equals 4.
