Year 9 Math

Basic Algebra

100

Make x the subject:

x + 3 = y

x = y - 3

200

Make x the subject:

2x/3 = y

x = 3y/2

300

Make x the subject:

x+a/b = c

x = bc - a

400

Make x the subject:

x²/a + bc = d

x = √abc+ad

500

Make x the subject:

√x + a = b