Elementary Technical Mathematics

Published by Brooks Cole
ISBN 10: 1285199197
ISBN 13: 978-1-28519-919-1

Chapter 6 - Section 6.5 - Translating Words into Algebraic Symbols - Exercises - Page 248: 24


$$12x+12=72$$ or simplified $$x+1=6$$

Work Step by Step

We can call our unknown number "$x$". The product of a number and 12 can be written as $12x$ and if we add 12 to this we get $12x+12$. So, $12x+12=72$ IMPORTANT: We could simplify this equation by dividing both sides by 12. $\frac{12x}{12}+\frac{12}{12}=\frac{72}{12}$ This gives us, $x+1=6$
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