Simplify the expression:
2+(a +5) =
2 answers:
Answer:
a+7
Step-by-step explanation:
2 + 5 = 7
7+a or a+7
Answer:
a=-7
Step-by-step explanation:
first we do commutative property of real number
the expression becomes ;
2+(7+a)=
then association property follow-up
(2+7)+a=
7+a=
then we minus 7 to both sides
7-7+a=-7
0+a=-7
a=-7
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