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, such as addition or subtraction, to find the value of a variable.

Front

How do you solve a one-step addition equation?

Back

To solve a one-step addition equation, subtract the number added from both sides of the equation.

Front

How do you solve a one-step subtraction equation?

Back

To solve a one-step subtraction equation, add the number subtracted to both sides of the equation.

Front

If Massiah had some marbles and gave away 18 marbles, resulting in -2 marbles, how do you find out how many he had initially?

Back

Set up the equation: x - 18 = -2. Solve for x to find that x = 16.

Front

What does it mean if a variable has a negative value in a word problem?

Back

A negative value indicates that the person owes that amount or has a deficit.

Front

In the equation x + 1.6 = 0.8, how do you isolate x?

Back

Subtract 1.6 from both sides to find x = -0.8.

Front

What is the first step to solve the equation w + 24 = 72?

Back

Subtract 24 from both sides to isolate w, resulting in w = 48.

Front

If Ja'Ray has x apples and buys 2 more to have 8, how do you express this as an equation?

Back

The equation is x + 2 = 8.

Front

What is the solution to the equation p - 11 = 5?

Back

Add 11 to both sides to find p = 16.

Front

How can you check if your solution to a one-step equation is correct?

Back

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