ENR Equations Test Review!

Front

Back

The solution is x = -2.

Front

Solve for j in the equation: j - (-5) = 15.

Back

j = 10.

Front

A toy company spends $1500 per day for factory expenses plus $8 to make each teddy bear. They sell the teddy bears for $12 each. How many teddy bears need to be sold to make a profit of $2000?

Back

875 teddy bears.

Front

Back

The solution is n = 10.

Front

Back

The solution is a = -2.

Front

What is a linear equation?

Back

A linear equation is an equation of the first degree, meaning it has no variables raised to a power greater than one.

Front

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

Back

Isolating a variable means rearranging the equation so that the variable is on one side and all other terms are on the other side.

Front

What is the distributive property?

Back

The distributive property states that a(b + c) = ab + ac.

Front

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

Back

Combining like terms simplifies the equation, making it easier to solve.

Front

Back

Subtract 5 from both sides to isolate the term with x.