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Chapter 2: Problem 40

Write a question that can be used to solve the equation. Then use mental math to solve the equation. \(a-5=19\)

Short Answer

Expert verified
The value of 'a' is 24.

Step by step solution

01

Understand the equation

The given equation is \(a-5=19\). The goal is to determine the unknown 'a'. This will be done by isolating 'a' on one side of the equation.
02

Rearrange the equation to isolate 'a'

In order to isolate 'a' on one side of the equation, you can add 5 to both sides of the equation to maintain the equilibrium. This will result in the equation, \(a-5+5=19+5\), which simplifies to \(a=24\).

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Most popular questions from this chapter

DISTRIBUTIVE PROPERTY Use the distributive property to rewrite the expression without parentheses. $$ -2 x(x-8) $$

DISTRIBUTIVE PROPERTY Use the distributive property to rewrite the expression without parentheses. $$ -2 t(12-t) $$

Evaluate the expression. $$ 13+11 \cdot 7-6 \div 3 $$

INVESTING MONEY You receive \(\$ 5000\). You decide to invest the money in a one-year bond paying \(2 \%\) interest and in a one-year certificate of deposit paying \(6 \%\) interest. \- Let \(m\) represent the amount of money invested in the one-year bond. Write a function that represents the total amount of money \(T\) that you have after one year. Simplify the function.

COMBINING LIKE TERMS Apply the distributive property. Then simplify by combining like terms. $$ 4(2-a)-a $$
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