Evaluating expressions and solving equations

Front

What is the first step to solve the equation 4x + 3 = -5?

Back

Subtract 3 from both sides to isolate the term with x.

Front

What is the value of x in the equation 4x + 3 = -5?

Back

x = -2.

Front

How do you evaluate the expression 7(6 + 3 - x) when x = 8?

Back

Substitute x with 8: 7(6 + 3 - 8) = 7(1) = 7.

Front

What is the result of evaluating the expression ½(z) + 3 when z = 1/9?

Back

3 and 1/18.

Front

What is the first step to solve the equation -3a + 8 = 14?

Back

Subtract 8 from both sides to isolate the term with a.

Front

What is the value of a in the equation -3a + 8 = 14?

Back

a = -2.

Front

What does it mean to simplify an expression?

Back

To reduce it to its simplest form without changing its value.

Front

What is the simplified form of a^2 b^4?

Back

a^2 b^4 is already in its simplest form.

Front

What is the process of evaluating an expression?

Back

Substituting values for variables and performing the arithmetic operations.

Front

What is the importance of showing work when solving equations?

Back

It helps to track the steps taken and identify any errors.