# How do you solve #y = 5x - 10# and #y = 3x + 8# using substitution?

##### 1 Answer

Feb 5, 2017

(see below for methodology)

#### Explanation:

Given

[1]

[2]

Using [1] we can substitute

[3]

Simplifying:

[4]

[5]

We can now use [5] to substitute

[6]

Simplifying

[7]

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We could (and should) verify this result by substituting