2 years ago

Solve the system of equations using the substitution method. check the solution.

Mathematics

1 answer:

elixir [45]2 years ago

4 0

(-1,2)

hope this helps buddy

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7x-3y=21 Find the intercept

Cerrena [4.2K]

Y-intercept:

Plug in 0 for 'x' to find the y-intercept:

7x - 3y = 21

7(0) - 3y = 21

0 - 3y = 21

-3y = 21

Divide -3 to both sides:

y = -7

So the y-intercept is -7.

x-intercept:

7x - 3y = 21

Plug in 0 for 'y' to find the x-intercept.

7x - 3(0) = 21

7x - 0 = 21

7x = 21

Divide 7 to both sides:

x = 3

So the x-intercept is 3.

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2 years ago

What is 0.83 as a reduced fraction

Dovator [93]

0.83 as a reduced fraction is $\frac{83}{100}$ . Hope this helps!