What is 3(2a+5)+5(a-2) ?

The solution to 3(2a+5)+5(a-2) is 11a+5

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simplify 3(2a+5)+5(a-2)

simplify

3 (2 a + 5) + 5 (a - 2)

11 a + 5

Solution steps

3 (2 a + 5) + 5 (a - 2)

Expand

3 (2 a + 5) : 6 a + 15

= 6 a + 15 + 5 (a - 2)

Expand

5 (a - 2) : 5 a - 10

= 6 a + 15 + 5 a - 10

Group like terms

= 6 a + 5 a + 15 - 10

Add similar elements:

6 a + 5 a = 11 a

= 11 a + 15 - 10

Subtract the numbers:

15 - 10 = 5

= 11 a + 5

12 ab - 18 a + 6 nb - 9 n

\frac{4}{3 3}

\frac{5}{9} \cdot \frac{7}{8}

(- 2 - 3 i)^{3}

\frac{7}{6} \div \frac{2}{6}