exam Maths Puzzle Numerical Ability

PLEASE !!!!!!!!!!!HELP !!!!!!!!!!!!!!!1

If a+b+c+d=45 and a+2=b-2=2c=d/2
FIND the values of a b c d PLEASEEEEEEEEEEEEEEEEE !!!!!!!!!! GOD BLESS YOU !!!!!!!

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exam Other Question

how do you simplify (x^(y+1)+z^2)(x^(y-1)-z^2) Hi. My question is based on nonlinear equations.
The directions say to: "Sketch the graph of the function. Label the vertex."
The question is:

y = 3x^2

Thanks a bunch!