Big Ideas Math 1.1

Front

What is the first step to isolate x in the equation x + 7 = 12?

Back

Subtract 7 from both sides.

Front

What is the solution for x in the equation 17 = x + 3?

Back

x = 14

Front

How do you solve for a in the equation 19 + a = -50?

Back

a = -69

Front

What is the value of X in the equation X/5 = -9?

Back

X = -45

Front

Which equation has x = 5 as the solution?

Back

2x = 10

Front

What is the definition of a variable in mathematics?

Back

A symbol used to represent an unknown value.

Front

What does it mean to isolate a variable?

Back

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

Front

What is the principle of equality in solving equations?

Back

If you perform the same operation on both sides of an equation, the two sides remain equal.

Front

What is the solution to the equation x + 15 = 10?

Back

x = -5

Front

How do you solve the equation 2x = 10?

Back

Divide both sides by 2 to get x = 5.