Answer:
There is no solution because the slopes of the line are the same.
Step-by-step explanation:
4y - 4x = 48
+ 4x + 4x Add 4x to both sides
4y = 4x + 48 Divide both sides by 4
y = x + 12
Now set both equations equal to each other since they equal y
x + 12 = x - 11
-x - x Subtract x from both sides
12 ≠ -11 No Solution
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4.5 cm 1meter 1 km
* --------- * --------- = .000045 km
100 cm 1000m
4.5*10^-5 km
Solve:
1.4n + 2 = 2n + 3.2
Group like terms and change its corresponding signs.
1.4n - 2n = 3.2 - 2
Simplify each term:
-0.6n = 1.2
Find n by dividing each side with -0.6
-0.6n/-0.6 = 1.2 / -0.6
n = -2
The last line of the justification is the division -0.6n and 1.2 by -0.6.
Answer:
x= 3s -8
3 times Sarah's age is 3s hence the expression is as shown