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Maths Puzzle
Numerical Ability
i need help finding the slope intercept for the equation 4x-6y+3=0
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Solve the following system by graphing.
3x - 6y = 9
x - 2y = 9
A chemist used a portion of an acid solution containing 80 ml of an 8% acid solution and 120 ml of a 12% acid solution, and replaced it with a 10% acid solution. If the concentrati