15. First Distribute
-6x-4 = 2X + 6
Add 6X on both sides
-4 = 8x+6
Subract 6 on both sides
8x=-10
Divide by 8 on both sides
X = -10/8 = -5/4
16. -13
17. Cross Multiplication
32 = 3X-3
Add 3 on both sides
35 = 3X
Divide by 3 on both sides
35/3 = X
18. Can't see the whole picture
19. Add 7 on both sides
6N = 42. Divide by 6
N = 7
20. 2x+6=-x+1. ---- I cross multiplied
2x+5=-x. ---- I subract 1 on both sides
-3x = 5. ----- Subract 2X
X=5/-3 ---- I divided it by -3
Salutations!
If seven pencils cost $.84 find the cost of 10 pencils?
Lets solve this!
To solve this question, you need to first divide .84 ÷ 7 which gives you the answer 0.12. Then multiply 0.12 with 10 which gives you the cost of 10 pencils. 0.12 is the cost of only one pencil.
Lets forms this into statements ---
Cost of 7 pencils = $ .84
Cost of 1 pencil = $ 0.12
Cost of 10 pencil equals = .84 ÷ 7 = 0.12
= 0.12 × 10 = 1.2
Cost of 10 pencils is $1.2
Hope I helped (:
Have a great day!
Answer:
6%
Step-by-step explanation:
Using the formula I=PRT we have 96.12=(267)R(6). we simplify the right by doing the multiplication 267x6 so we have 96.12=1602R. again using algebra we divide both sides by 1602 to isolate R. we get R=0.06 and when converted to a percent is 6%.
Answer:
We solve the equations g + e = 117 and e / g = 2 / 7; where g = number of gas mowers and e = number of electric mowers;
So, g = 117 - e and 2g = 7e;
Then, 2( 117 - e ) = 7e;
234 - 2e = 7e;
234 = 9e;
e = 234 ÷ 9;
e = 26;
g = 117 - 26;
g = 91;
Step-by-step explanation:
