2x-y=4
x+2y=7
A car’s petrol tank holds 48 litres of fuel. The tank was full at the start of a trip.
How much petrol is remaining in the tank...
2864*4-168/2+69
Actividad de aprendizaje 1
Instrucciones: se presenta una serie de transacciones de la empresa los sureños.
Con...
x + 4y =12
y -x=-2
x=4+6y-2²
Solve 3 x space minus space left parenthesis 2 x space plus space 1 right parenthesis space equals space 3 left parenthesis x spa...
sinx / x
x minus 3 equals 2 x minus 9.
Find the missing number in the following equation:
5
7
×
?
=
20
×?=20
