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7+a/3=5 what is the a equal 2

User Malcom
by
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2 Answers

3 votes

a + 21 = 15

Find common denominator

Combine fractions with common denominator

Multiply the numbers

Rearrange terms

Multiply all terms by the same value to eliminate fraction denominators

Cancel multiplied terms that are in the denominator

Multiply the numbers

User Wiki
by
7.9k points
3 votes

Answer:


  • \mathrm{a=8}

Explanation:


\mathrm{\cfrac{7+a}{3}=5}

Multiply both sides by 3:-


  • \mathrm{\cfrac{3\left(7+a\right)}{3}=5*\:3}

  • \mathrm{7+a=15}

Subtract 7 from both sides:-


  • \mathrm{7+a-7=15-7}

  • \mathrm{a=8}

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Hope this helps!

User JIV
by
7.7k points