an angle is 15 degree less than 4x its suplimentary
a^2+b^2=25/4
444-65
Divide 1123/8
100÷14.69
fraction numerator x over denominator x plus 3 end fraction equals 2 over 5
fraction numerator 3 over denominator x minus 2 end fraction equals fraction numerator 6 over denominator x plus 2 end fraction
1/x+2/(x+1)=2
1/x+2/x+1=2
6×15÷5-24÷6+6