exam Maths Puzzle Numerical Ability

Need help in solving this it is not a test but for our homework. Every way I have worked it I get a different answer. 0.4p+0.2=4.2p-7.8-0.6p

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exam Other Question

-x-(13+4x) = -3(5-9x)+2 The perimeter of a rectangle is 24 cm. Find the value of x.
length is 3x cm. and width is 3 cm.
what is the answer please.


3 cm
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