Solving Algebraic Expressions with One Variable Two Terms

What is the solution to the equation 3x - 5 = 7?

• x = 3

• x = 5

• x = 4

• x = 2

What is the relationship between variables and unknown quantities in algebra?

• Variables have no relationship with quantities

• Variables represent known quantities

• Variables represent unknown quantities

• Variables are irrelevant in algebra

What do equations in algebra show?

• Relationships between two expressions

• Historical timelines

• Geographical locations

• Biological processes

How do you solve equations in algebra?

• By ignoring the equal sign

• By guessing randomly

• By memorizing formulas

• By isolating the variable on one side of the equation

Solve the equation:
3x - x + 2 = 4(2x - 1)

• infinite solutions

• x = 1

• x = -1

• no solution

Solve for x

2x+3=15

10x + 9 = 4x - 9

• 0

• 3

• -3

• -18

What does x equal?

• x=15

• x=-3

• x=3

• x=11

2u+10 = 22

• 12

• 6

• 9

• 3

½x + ⅓x = 5

• x = ⅕

• x = 1

• x = 5

• x = 6