estufita1000 estufita1000

16-11-2016
Mathematics

contestada

solve each equation. use substitution to check your answer.

1) X-5=8
2) A+4=21
3)M+3=-5

Respuesta :

Nick1511 Nick1511

16-11-2016

1.) x-5=8
+5 +5
x=13
2.) a+4=21
-4 -4
a=17
3.) m+3=-5
-3 -3
m=-8

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