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Maths Puzzle
Numerical Ability
3a+6b=-15
a=-2b-5
Use the substitution method to solve the system. If its dependant or inconsistant, so indicate.
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In 1950, the average price of a car was about $2000. To compare dollar amounts over time, use the formula V=a/s(c), where A is the old dollar amount, S is the starting year's Cons
What is a good way to change
3X+15=30
into a good word problem?