-1/2=4/x-2 help answer and explanation

1 answer:

6 0

- $\frac{1}{2}$ = $\frac{4}{x}$ -2
2+- $\frac{1}{2}$ = 4/x
2+- $\frac{1}{2}$ = 1 $\frac{1}{2}$
1 $\frac{1}{2}$ = 4/2.7
x=2.7

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In the following equations a and b are equal. which number could be substituted for both a and b to make both equations correct?

Nikitich [7]

Considering the first equation 15 × 0 = -36 + a
15 × 0 = 0
therefore, -36 + a =0
In the second equation
24 × 8 × 0 = 36 - b
Consider the LS
24 × 8 × 0 = 0
Therefore, 36 - b = 0
we are left with the two equations,
36 - b = 0
-36 + a = 0
then, we calculate the number that can be substituted to satisfy the two equations.
solving the equations
b = 36, and a = 36
Therefore, 36 is the number that can be used to substitute a and b in the equations

7 0

4 years ago

Need help! 15 points :>

VikaD [51]

Answer:

Step-by-step explanation:

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