Lets try substitution5x+2y=21=5x=21-2y=x=(21-2y)/5
sub into second equation
-2(21-2y)/5+6y=-34(-42+4y)/5+6y=-34solve for yy=-64/17plug into equation and solve for x=(97/17)
the answer is 126 I swear to god I am not a liar I am smart in math
Answer:
A=61.5cm^2
Step-by-step explanation:
Area= 5*1/2(lh)
A=5*1/2(6*4.1)
A=5*1/2*24.6
A=5*12.3
A=61.5cm^2