2-step linear equations

2x + 10 = 50

• x = 5

• x = 10

• x = 2

• x = 20

5x - 20 = 100

The opposite of multiplication in maths is....

• addition

• subtraction

• multiplication

• division

To "undo" what has been done to "x", we should do the ______________

• same

• equal

• opposite

• nothing

The opposite of addition in maths is...

10 + 3x = 40

• x = 100

• x = 10

• x = 5

• x = 2

What should you "undo" first in an algebra equation?

• addition or subtraction

• multiplication

• division

• equals

If you are asked to SOLVE an equation, you need to find the value of what?

20 - 2x = 50

• x = 15

• x = -15

• x = 30

• x = -30

When a number is written directly in front of a letter in algebra, it means....

• plus

• minus

• times

• divide