What is the perimeter of a rectangle whose length is -3x + 4 and a width of 5x - 2?
2 answers:
Answer:
Step-by-step explanation:
Perimeter = 2*(length + width)
=2*(-3x +4 + 5x - 2)
=2*(2x + 2)
=2*2x + 2*2
=4x + 4
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Step-by-step explanation:
Answer:
Cross multiply 5x=40
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x=8
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x=7
