Solving for a Variable Practice

Front

What is the formula to solve for c in the equation a = b + c?

Back

c = a - b

Front

How do you solve for R in the equation IR = V?

Back

R = V/I

Front

Solve for y in the equation 5x + y = 16.

Back

y = -5x + 16

Front

What is the formula to solve for r in the equation C = 2πr?

Back

r = C/(2π)

Front

How do you solve for a in the equation a - b + c = 9?

Back

a = b - c + 9

Front

What does it mean to solve for a variable?

Back

To isolate the variable on one side of the equation.

Front

What is the first step in solving the equation 3x + 5 = 20 for x?

Back

Subtract 5 from both sides.

Front

If you have the equation x/4 = 2, how do you solve for x?

Back

Multiply both sides by 4.

Front

What is the inverse operation of addition?

Back

Subtraction.

Front

What is the inverse operation of multiplication?

Back

Division.