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If f(x) = 2x+5, g(x) = 8x-7 and f(x)=g(x). Find the value of x. Show your working.

f(x) = g(x), 2x+5=8x-7, 12=6x, 6x=12 therefore, x=2.

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Answered by Natalie R. • Maths tutor

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