exam Maths Puzzle Numerical Ability

5(E+6)=4(E+7)
I tried this:
5E+30=4E+28
5E-4E=1E
30-28=2
1E/1= 2/1
Answer: E=2

Please help

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exam Other Question

Find the x- and y- intercepts of the graphs of the following equations
A. 2x-3y=12
B. (1/3)x+(7/8)y=1 help please!

Simplify

3
Divided by

4 times the square root of 3