Answered

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8y+10x=25614y+5x=248x=?y=?

Sagot :

In order to solve this, we can subtract one equation from the other so we can cancel one of the variables and solve for it, like this:

By multiplying the second equation by 2, we get:

2×(14y + 5x) =2×248

2×14y + 2×5x = 2×248

28y + 10x = 496

By subtracting the second equation multiplied by 2 from the first one we get

As you can see, we got -20y = -240. By dividing both sides by -20, we get:

-20y = -240

-20y/-20 = -240/-20

y = 12

Then, y = 12.

By replacing 12 for y into one of the equations we can easily solve for x, like this:

8y+10x=256

8(12) + 10x = 256

96 + 10x = 256

96 - 96 + 10x = 256 - 96

10x = 160

10x/10 = 160/10

x = 16

Then x = 16

Summary:

x = 16

y = 12

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