3 years ago

Which of these is a two-step equation? A.X+ 9 = 21 B.x= 11+2 C.2x + 9 = 21 D.x/3 = 9

Mathematics

2 answers:

MissTica3 years ago

7 0

Answer: C

Explanation:
x+9=21
x=12

x=11+2
x=13

2x+9=21
2x=12
x=6

x/3=9
x=27

inysia [295]3 years ago

4 0

The answer would be C
2x + 9 = 21
1. 2x = 12
2. x = 6

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