Solving One Step Equations with Variables

6x - 5 + 7x = 34

x = ?

(Just type the number)

What is the first step to solve this equation?
3x - 5 = 7

• Add 5 to both sides of the equation

• Add 3x to both sides of the equation

• Subtract 5 from both sides of the equation

• Subtract 7 from both sides of the equation

4 = 2(x + 3)

x = ?

(Just type the number)

20 = 2 - a

a = ?

(Just type the number)

Solve: 13 = -11 - 4x

x = ?

(Just type the number)

22 + 2a = 37 + 6 + a

• 21

• -21

• 5

• 6

The objective when solving an equation is to....

• isolate the variable.

• check the solution.

• guess and check.

• Combine Like Terms.

In order to solve an equation, we must get variables on one side of an equation, and constants on the opposite side.

• False

• True

Which of the following are basic rules used for solving algebraic equations?

• Whatever you do to one side of the equal sign, you must copy and do on the other side of the equal sign

• Negative signs can be ignored

• Always start on the left side, regardless of where the variable is

• Always do the opposite operation

Solve the equation: 
5x = -20

• -4

• -25

• 4

• 25