# How do you solve by substitution #4x-7y=10# and #y= x-7#?

##### 1 Answer

Jun 4, 2015

Given

[1]

[2]

Using [2] substitute

[3]

Simplifying

[4]

[5]

Using [5] substitute

[6]

[7]

Jun 4, 2015

Given

[1]

[2]

Using [2] substitute

[3]

Simplifying

[4]

[5]

Using [5] substitute

[6]

[7]

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