Make Equations True

Front

What is an equation?

Back

An equation is a mathematical statement that asserts the equality of two expressions, typically containing variables.

Front

What does it mean to solve an equation?

Back

To solve an equation means to find the value(s) of the variable(s) that make the equation true.

Front

What is the value of z in the equation 12 + z = 20?

Back

z = 8

Front

How do you check if a value is a solution to an equation?

Back

Substitute the value into the equation and see if both sides are equal.

Front

Is n = 5 a solution for the equation 11 = n + 6?

Back

Yes, it is true because 11 = 5 + 6.

Front

What is the value of x in the equation 3x = 27?

Back

x = 9

Front

What is the value of x in the equation 2x = 6?

Back

x = 3

Front

What value of m makes the equation m - 4 = 45 true?

Back

m = 49

Front

What is a variable in an equation?

Back

A variable is a symbol, often a letter, that represents an unknown value in an equation.

Front

What does it mean for an equation to be balanced?

Back

An equation is balanced when both sides have the same value.