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3 0

3 years ago

Solve the system of equations. 7x+10y=36 y=2x+9 x = ______ y = ______

wel

Step-by-step explanation:

Substitute the y in the 1st equation with the 2nd equation.

7x + 10(2x + 9) = 36

7x + 20x + 90 = 36

27x + 90 = 36

3x + 10 = 4

3x = -6

x = -2

So now we can find y.

y = 2x + 9 = 2(-2) + 9 = (-4) + 9 = 5.

So x = -2, y = 5.

6 0

3 years ago

Read 2 more answers

Which function represents the sequence -5.5, -4.75 -4,-3.25... ?

kumpel [21]

The answer I think should be
C main

3 0

3 years ago