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Maths Puzzle
Numerical Ability
simplify expression 8a+7-11a
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Find the equation of the line through the point (4, -2) and perpendicular to the line 3x - 5y = 10. Please help me with this one. Thank you.
Solve each of the following systems by addition. If a unique solution does not exist, state whether the system is consistent or dependent.
x + 5y = 10
-2x-10y=-10