A first number plus twice a second number is 6. Twice the first number plus the second totals 24. Find the numbers
1 answer:
Answer: 14 and -4
Step-by-step explanation:
From the first statement: Let the first number be x and the second number be y , then x + 2y = 6.
From the second statement: 2x + y = 24
Combining the two equations , we have
x + 2y = 6 ......................... equation 1
2x + y = 24 ........................ equation 2
Solving simultaneously
x = 14 , y = -4
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To find n
1. Subtract 8n from both side to get -3n=30
2. Divide both sides by -3 to get n=-10
I really hope this helps this is what my teacher said to do in the type of problem
Answer:
The answer for this equation would be 1
Step-by-step explanation:
Hope I helped!
Write an equation
10 + 3x = 15 +2x
-2x -2x
-----------------------
10 + x (1x) = 15
-10 -10
----------------------
x = 5
cost= 25 (10 + 15)
