algebra 10th grade
posted by mary .
Solve for x?
0 = 9/5 x 9

0 = 9/5 x 9
9 = 9/5x
9/9/5 = x
9* (5/9) = x
45/9 = 5 = x 
Checking algebra answers, Is it correct
320km/1hr
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320km /1hr →1m/1.609km =320m/1.609hr÷=199.3mph
Answer: Round to nearest 10th =198.9mph 
solve the following simultaneous equations by using cramer’s rule 3x2y=3 ; 2x+y=6

5