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Maths Puzzle
Algebra
Solve 5^3x= 3^(x+4) for x.
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How do I factor these trinomials? 18d^2-54d+28 and n^2+26n+25=0
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CTM
I have 6 systems questions which i dont understand at all. help.how do you solve these?
1.x+y=4
y=2x+1
2.x+y=10
y=x+8
3.x=y-1
y=4-2x