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AVprozaik [17]
3 years ago
5

Fill in the reason that justifies the step to solve for x in the diagram.

Mathematics
2 answers:
geniusboy [140]3 years ago
6 0
You first combine like terms
3x + 3 = 42
Subtract 3 on both sides
3x = 39
Divide by 3 on both sides which gives you x = 13
aleksandr82 [10.1K]3 years ago
3 0
Answer is 13 42-3=39÷3=13
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