Question

Solve the equation using mental math.

$0=t+79$

Short answer

The solution of the equation is t = – 79

Step-by-step solution

Apply the concept of equation: 

An equation is a mathematical statement that two expressions are equal. The solution of an equation is the value that when substituted for the variable makes the equation a true statement.

Example: 3x + 5 = 14 is an equation, in which 3x+5 and 14 are two expressions separated by an ‘’equal’’ sign.

What are the steps to solve an equation? 

Step 1: Simplify each side of the equation by removing parenthesis and combining the like terms.

Step 2: Use addition or subtraction to isolate the variable term on one side (preferably in the left side).

Step 3: Use Multiplication or Division to solve for the variable.

Step 3: Solve the equation using mental math. 0=t+79

Now solving the equation $0=t+79$with proper steps

localid="1650377233528" $\begin{array}{l}0=t+79\\ 0-79=7+79-79\left[\text{Subtract79frombothsides}\right]\\ t=-79\end{array}$

Solution of the equation is $t=-79$