exam Maths Puzzle Numerical Ability

v-4(4-v)=-2(2v-1)
9-2m/7+19
3(x-0.87)-2x=4.98

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exam Other Question

Use a table of values to graph f(x) and g(x) on the same set of axes.
f(x) = 2^3x and g(x) = 8^-x
I am having difficulty with picking the x values what x values would be suitab
x^2+3x-4/(x+4)^2*x^2+4x/x^2-2x+1


=3x-4/(x+4)^2*4x/x^2+4x/-2x+1
I can figure out what to do next