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Chapter 2: Q35. (page 108)

Solve the equation. Check your solution.

-5x=45

Short Answer

Expert verified

The solution for the equation -5x=45 is x=-9.

Step by step solution

01

– Solve the equation

Write the original equation and separate the variables.

鈭�5x=45(Writeoriginalequation)鈭�5x鈭�5=45鈭�5(Divideeachsideby鈭�5)x=鈭�9(Simplify)

02

– Check the solution 

To check the solution, substitute the value in the original equation and observe the result.

鈭�5x(WriteLeft-hand-sideoftheequation)鈭�5(鈭�9)(Substitutex=鈭�9)45(Simplify)

This signifies that the solution is correct.

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Most popular questions from this chapter

Simplify the expression.p+6鈭�6(p鈭�2)

Evaluate the expression. Justify each of your steps.

5. (-鈥�6)鈥�(鈥�1鈥�)鈥�(鈥�10)

Use the distributive property to write an equivalent variable expression.

9鈥�鈥�(3m+5)

Which property allows you to write?

4鈥�+鈥�(3鈥�+9鈥�)鈥�鈥�=鈥�鈥�(4鈥�+3)+9

What are terms that have a number but no variable called?
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