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natta225 [31]
3 years ago
12

Nadya solves the equation 4x-4=20. Her work is shown below.

Mathematics
2 answers:
Rama09 [41]3 years ago
6 0
4x-4=20
   +4 +4
4x=24
divide both sides by 4 
x=6
Stells [14]3 years ago
3 0
Step 2 she should add 4 not subtract
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