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Solve each equation. use substitution to check your answer. 1) X-5=8 2) A+4=21 3)M+3=-5
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1 vote
Solve each equation. use substitution to check your answer.

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

User Astax
by
7.4k points

1 Answer

4 votes
1.) x-5=8
+5 +5
x=13
2.) a+4=21
-4 -4
a=17
3.) m+3=-5
-3 -3
m=-8
User Hugo Vares
by
7.0k points
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