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Q: Solve the following -2 plus 5 equals?

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-2+5=3

3

3

-2 plus 5 equals +3

n = 28

X= (3/5 , -2)

The solutions are: x = -2 and y = 4

Y equals 1 and X equals 1

3

n= -2

The answer is x = 2.

c= -2 2/7 OR -2.285714

x = 5, y = -1

3

20

You can't solve it. But you can simplify it to get: 4x+y=2

7x + 2 = 5,6

-4

(2,-2)

-1 plus 1 = 0 plus 1 =1

x=-2

To solve for 2 unknown variables you need 2 independent equations. You have only 1.

3.

You can't solve it - you only have one equation and two unknowns. You need 2 equations to solve this.

a2+30a+56=0 , solve for a Using the quadratic formula, you will find that: a=-2 , a=-28