One Step equations addition and subtraction

Front

What is a one-step equation?

Back

A one-step equation is an equation that can be solved in one operation, either by addition or subtraction.

Front

Solve for n: n + 3.5 = 6.7

Back

n = 3.2

Front

Solve for y: 86 + y = 99

Back

y = 13

Front

What is the first step to solve a one-step equation involving addition?

Back

Subtract the number from both sides of the equation.

Front

What is the first step to solve a one-step equation involving subtraction?

Back

Add the number to both sides of the equation.

Front

Solve for a: a - 1.5 = 4.2

Back

a = 5.7

Front

Solve for n: 7.4 = n - 2.6

Back

n = 10

Front

Solve for b: b - 4 = 9

Back

b = 13

Front

What does it mean to isolate the variable in an equation?

Back

To isolate the variable means to get the variable alone on one side of the equation.

Front

If n + 5 = 12, what is n?

Back

n = 7