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jasenka [17]
3 years ago
8

Which points of the following points are solutions to the equation 3x-4y-8=12

Mathematics
1 answer:
Natali [406]3 years ago
8 0

Answer:

(0, -5), (4, -2), (-16, -17)

Step-by-step explanation:

I attach your full question in the image below

The equation is

3x-4y-8=12

Which can be rewritten as

3x-4y =12 +8

3x-20 = 4y

y = (3/4)*x - 5

We need to check each individual case

(0,-5)

y = (3/4)*(0) - 5  

y = -5

True

(4,-2)

y = (3/4)*(4) - 5  

y = -2

True

(8,2)

y = (3/4)*(8) - 5  

y = 1

False

(-16,-17)

y = (3/4)*(-16) - 5  

y = -17

True

(-1,-8)

y = (3/4)*(-1) - 5  

y = -23/4

False

(-40,-34)

y = (3/4)*(-40) - 5  

y = -35

False

(0,-5) (4,-2) and (-16,-17) are the solutions

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Answer:

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Solve for the variable. Show each step in the solution process.​
motikmotik

Answer:

z = 1/2

Step-by-step explanation:

Step 1: Write equation

22z + 6 - 10 = 6z + 4

Step 2: Solve for <em>z</em>

  1. Combine like terms: 22z - 4 = 6z + 4
  2. Subtract 6z on both sides: 16z - 4 = 4
  3. Add 4 to both sides: 16z = 8
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Step 3: Check

<em>Plug in z to verify it's a solution.</em>

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Answer:

i think h=17

Step-by-step explanation:

-18h = 17 = xh/6

Subtract xh/6 from both sides of the equation.

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Step-by-step explanation:

hope this helps, have a good day! :)

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