Step-by-step explanation:
4(x – 3) = 20
1st Step: 4x – 12 = 20
Reason: Distribute
2nd Step: 4x – 12 + 12 = 20 + 12
» 4x = 32
Reason: Add 12 to both sides
3rd Step: 4x ÷ 4 = 32 ÷ 4
» x = 8
Reason: Divide both sides by 4
$9.45
10% of 10.50 is 1.05
10.50 - 1.05 = 9.45
Answer:
y=11
x=-4
Step-by-step explanation:
y =-x+7
2x-5y=-7
insert the first equation into the second like so...
2x+5x-35=-7
Now rearrange...
2x+5x=-7+35
Now solve...
7x=-28
x=-4
Now incert x in any equation...
y=4+7
y=11
Answer: 1747067797/2500000000
Step-by-step explanation:
Rewrite the decimal number as a fraction with 1 in the denominator
0.6988271188=0.6988271188/1
Multiply to remove 10 decimal places. Here, you multiply top and bottom by 10 to the 10 power = 10000000000
0.6988271188/1 * 10000000000/10000000000 * 6988271188/10000000000
Answer:
6 people
Step-by-step explanation:
12/2 is 6 people on each pie