A wire is 7x – 3 metres long. A length of 3x + 4 metres is cut out of it for use. How much wire is left?
Answers
Answered by
2
Answer:
4x + 1 metre
Step-by-step explanation:
7x - 3metres - 3x + 4metres
Collect like terms
7x - 3x - 3metres + 4metres
4x+ 1 metre
Answered by
4
Answer:
Total Length = 7x-3
Length cut out = 3x + 4
Wire left = 7x-3 -(3x+4)
=7x-3-3x-4
=7x-3x-3-4
=4x-7(ANSWER)
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