7th Grade Equations Practice

Front

What is the first step to solve the equation -4(1 + 3x) = 68?

Back

Distribute -4 to both terms inside the parentheses.

Front

How do you isolate the variable 'a' in the equation 26 = a - 28?

Back

Add 28 to both sides of the equation.

Front

What is the combined like terms in the equation 2x - 3 + 4x = 27?

Back

6x - 3 = 27.

Front

What operation do you perform to both sides of the equation n/-5 = 20 to solve for n?

Back

Multiply both sides by -5.

Front

What is the solution to the equation 11.7x - 15 = 8.4?

Back

x = 2.

Front

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

Back

To manipulate the equation so that the variable is on one side and all other terms are on the opposite side.

Front

What is the purpose of combining like terms in an equation?

Back

To simplify the equation and make it easier to solve.

Front

What is the inverse operation of addition?

Back

Subtraction.

Front

What is the inverse operation of multiplication?

Back

Division.

Front

How do you check if your solution to an equation is correct?

Back

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