9/22 solving equations with variables on both sides #1

Front

What is the first step to solve the equation 9 + x = 5x - 27?

Back

Isolate the variable by moving all terms involving x to one side and constant terms to the other side.

Front

How do you combine like terms in the equation 7x + 4 = 3x + 36?

Back

Subtract 3x from both sides to combine the x terms.

Front

What is the solution to the equation 3 + 7x = 2x + 18?

Back

x = 3.

Front

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

Back

To get the variable by itself on one side of the equation.

Front

What is the solution to the equation 10 + x = 6x + 0?

Back

x = 2.

Front

What is the process to solve the equation 3x + 8 = 6x - 7?

Back

Subtract 3x from both sides and then isolate x.

Front

What is a variable in an equation?

Back

A symbol, often a letter, that represents an unknown value.

Front

What does it mean to have variables on both sides of an equation?

Back

It means that the variable appears on both the left and right sides of the equation.

Front

What is the solution to the equation 9 + x = 5x - 27?

Back

x = 9.

Front

How do you check your solution after solving an equation?

Back

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