One Step Variable Questions

a - 51 = 12

• a = 63

• a = 53

• a = 39

• a = 49

7.2 + x = 10.6

• 17.8

• 3.4

• 8.3

• 3

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

• isolate the variable.

• check the solution.

• guess and check.

• Combine Like Terms.

2m + 6m = 32

• m = 8

• m = 4

• m = -4

• m = -8

4 = 2(x + 3)

• 1/2

• 7/2

• -1

• 5

3y+4y+6=20

• y=2

• y=-2

• y=4

• y=3

• x = 12

• x = -10

• x = -6

• x = -16

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

After questions 4-6, what is the answer to:

2x - 3 + 4x = 27

What is the first step Terri could take to find the solution to the system of equations using the Elimination Method?

• Multiply by -1 through one equation to flip the signs and create opposite y-values.

• Multiply by -1 through one equation to flip the signs and create opposite x-values.

• Multiply by 1 through one equation to flip the signs and create opposite y-values.

• Isolate a variable and substitute the value in the other equation.