Two step equations

Front

What is a two-step equation?

Back

A two-step equation is an algebraic equation that requires two operations to solve for the variable.

Front

How do you isolate a variable in a two-step equation?

Back

To isolate a variable, perform the inverse operations in reverse order: first undo addition or subtraction, then undo multiplication or division.

Front

Solve for x: 2x + 3 = 11

Back

x = 4

Front

Solve for y: 5y - 7 = 18

Back

y = 5

Front

What is the first step to solve the equation 3x - 4 = 11?

Back

Add 4 to both sides of the equation.

Front

Solve for z: 0 = 8z + 8

Back

z = -1

Front

What does it mean to 'balance' an equation?

Back

Balancing an equation means keeping both sides equal by performing the same operation on both sides.

Front

Solve for n: 6n + 4 = -26

Back

n = -5

Front

What is the solution to the equation -3x - 12 = 15?

Back

x = -9

Front

How do you check your solution for an equation?

Back

Substitute the solution back into the original equation to see if both sides are equal.