exam Maths Puzzle Numerical Ability

what does the w equal in this problem?: 34+22w=144

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exam Other Question

The total cost of producing x units is c = 3100+25x.
Selling price per unit is $37
How many units should beproduced and sold to gain a profit of at least $2000
Determine the value/s of the variable where the expression is undefined :
-16 / j-3

Solve by factoring : x^2+3x+2

Factor Completely: 3x^3-3x^2-6x