(-1,5) -x+y=6 2x+3y=13 find if the equations are true by substituting

asked Nov 1, 2019 61.9k views

3 votes

(-1,5)
-x+y=6
2x+3y=13

find if the equations are true by substituting

by Tpett

8.1k points

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6 votes

-x+y=6

$-( - 1 )+ 5 = b \\ 6 = b$
it's true

2x+3y=13

$2 * ( - 1) + 3 * 5 = b \\ - 2 + 15 = b \\ 13 = b$
it is correct

good luck

Renan answered Nov 7, 2019

by Renan

8.4k points

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