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I am doing integration work in maths c. I have simplified the equation using long division however when I equated the answers, i got 4 simultaneous equations with 4 variables.

My equations are:

A + C = 5

A + B + 4C + D = 12

-A -B + 4C + 4D = -1

2A + B + 4D = 4

Can this be done?

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# Simultaneous Equation with 4 variables, can it be don?

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