Y=2x+5 and y=3x-10. Solve equations

asked Jan 3, 2016 135k views

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6 votes

y=2x+5 and y=3x-10
-5 -5 -10 -10
5=2x 10=3x
x=2.5 x=3.3 repeating

SpFW answered Jan 5, 2016

by SpFW

8.3k points

2 votes

$Set\ them\ equal. \\ 2x+5=3x-10 \\ 2x+15=3x \\ 2x-(2x)+15=3x-(2x) \\ \boxed{x=15}$

Sgun answered Jan 9, 2016

by Sgun

7.1k points

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