Answer:
you subtract 7 from both sides
Step-by-step explanation:
Answer:
Alejandra worked 8 hours and Qasim worked 5
Step-by-step explanation:
195/15 is 13. They worked 13 hours in total. 8 is 3 more than 5 and together they equal 13.
That would be zero.
Obtuse means more than 90 degrees. A triangle's angles add up to 180 degrees so can't have two obtuse angles.
To solve system of equations by substitution, we are going to use the first equation to substitute into the second equation wherever you see y.



_______________


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(rounded)
Next, substitute x = 3.29 into the first equation, or to any equation you'd like, to find y.




So, your final answer would be (3.29, 4.87).