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laiz [17]
3 years ago
13

What is the value of x in this equation? 5x + 12 = -18

Mathematics
2 answers:
adell [148]3 years ago
7 0

Answer:

<em>x</em><em> </em>= -6

Explanation:

First we collect like terms

<em>5x</em><em> </em><em>=</em><em> </em><em>-18</em><em> </em><em>-</em><em> </em><em>1</em><em>2</em>

<em>5x</em><em> </em><em>=</em><em> </em><em>-30</em><em> </em>

( because when both signs are the same we add them)

Then we decide both sides by five so that only x will remain

<em>5x</em><em> </em><em>/</em><em> </em><em>5</em><em> </em><em>=</em><em> </em><em>-30</em><em> </em><em>/</em><em> </em><em>5</em>

<em>x</em><em> </em><em>=</em><em> </em><em>-6</em>

Thus, the value of <em>x</em><em> </em>is -6

siniylev [52]3 years ago
4 0

Answer:

x = −6

Step-by-step explanation:

I like to start off by simplifying the equation! Then, I use inverse operations to narrow it down until I reach the answer!

5x + 12= −18

5x + 12 <u>− 12</u>= −18 <u>− 12 </u>

5x = −30

5x<u>/5</u> = -30<u>/5</u>

<u>x = -6</u>

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