2x - 4y = 20
x/3 - y= 3
Solve by using substitution

Svetlana's hair is 4 4 centimeters ( cm cm) long. her hair grows 1 . 5 cm 1.5cm per month. svetlana wants her hair to be less than 1 6 cm 16cm long. write an inequality to determine the number of months, m m, svetlana can allow her hair to grow so that it is less than 1 6 cm 16cm long.

Solve the following inequalities and show the solution on a number line. 3/4 (2x-7) ≤ 5

Lines a and b are parallel. what is the value of x? -5 -10 -35 -55