exam Maths Puzzle Numerical Ability

INDICATE WHETHER THE EQUATION HAS NO SOLUTION OR IS TRUE FOR ALL REAL NUMBERS. IF NIETHER IS THE CASE, SOLVE FOR THE VARIABLE.

10x-2(4+5x)=8

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exam Other Question

How many feet per second are equivalent to 50 miles per hour? Find the solution set in interval notation: x+12/x+2 <= 3
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