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goldfiish [28.3K]
2 years ago
12

7a-3b-a+8-9b Pls help!

Mathematics
2 answers:
iVinArrow [24]2 years ago
7 0

Answer:

6a-12b+8

Step-by-step explanation:

Im pretty sure this is the answer but if it's not im so sorry

hram777 [196]2 years ago
4 0

Answer:

6  −  1 2  +  8

Step-by-step explanation:

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A gym employee is paid monthly. After working for three months, he had earned $4,500. To
Leto [7]

Answer:

$9000

Step-by-step explanation:

A gym employee has earned in 3 months =$4500

Then his monthly salary =$4500/3 =$1500

After six months he will earn = 6 × his monthly salary

= 6×$1500=$9000

5 0
3 years ago
F(x)=2x+3 find x=9 explain how you got the answer please help me I need the answer today
hram777 [196]
You would fill in 9 for x so your equation would be 2(9)+3 and you would then get 21. Therefore the answer is f(x)=21
6 0
3 years ago
1.) x 5 y 3• x 3 y 4<br> 2.) 3x 2 y • 6xy 4
aksik [14]

Answer:

( 5x+3y=7. < 3x - 5y = -23 you can use many ..

Step-by-step explanation:

hopefully its right

5 0
3 years ago
Plz help brainiest to whoever right
nirvana33 [79]

Answer:

X=11

m<wxz= 23

Step-by-step explanation:

hope this helps branliest please

3 0
2 years ago
How to solve this substitution​
Lena [83]
-5x+4y=11
substitute for x which is 5
(-5)(5)+4y=11

simplify :
4y-25=11

add 25 on both sides
4y-25=11
+25 +25
the 25 cancels out

so it would be 4y=36
and you divide both sides by 4

4/4 =36/4

which gives you (5,9)
x= 5 , y =9
6 0
2 years ago
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