# How do you solve the following system?: #-2x -5y =17, 3x -y = -61#

##### 1 Answer

#### Answer:

The joint values that satisfy both equations are:

#### Explanation:

These are equations of straight line graphs. The gradients are different which means that at some point they will cross.

At that instance they will both share the same values for

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Given

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Write equation (2) as :

Using

so that we have only 1 unknown variable

Multiply out the brackets

add 305 to both sides

Multiply both sides by (-1)

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Substitute for