# How do you solve #0.1x + 0.6y = -1# and #0.2x - 0.7y = 3.7# using substitution?

##### 1 Answer

Jul 25, 2016

#### Explanation:

Multiplying both sides by 10 we get

Similarly multiplying both sides of

we get

Similarly multiplying both sides of

we get

Subtracting

we get

or

or

or

Since from above we have Equation

By putting value of x=-3 in the above equation we get

or

or