exam
Maths Puzzle
Numerical Ability
8y-x=-4
5x-y=59
I have to solve this problem by substitution and I don't understand it could you please help!
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Textbook Algebra II Wilkins, Bryant
Find each of the following using a calculator. Round to four decimal places.
ln 100
log 0.2
5/6(3x-2) = 3/2(x+1)
7x + .0125 = 6x - 0.289
9x - 2(3x - 0.124) = 2x + 0.965
-3(0.234 - x) = 2(x + 0.974)
5(5x + 3) = 3(8x - 2) + 4