What is 5(a+6)-a+7a-18 ?

The solution to 5(a+6)-a+7a-18 is 11a+12

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simplify 5(a+6)-a+7a-18

simplify

5 (a + 6) - a + 7 a - 18

11 a + 12

Solution steps

5 (a + 6) - a + 7 a - 18

Add similar elements:

- a + 7 a = 6 a

= 5 (a + 6) + 6 a - 18

Expand

5 (a + 6) : 5 a + 30

= 5 a + 30 + 6 a - 18

Group like terms

= 5 a + 6 a + 30 - 18

Add similar elements:

5 a + 6 a = 11 a

= 11 a + 30 - 18

Subtract the numbers:

30 - 18 = 12

= 11 a + 12

(26 - 3)^{2}

\frac{x a + x b}{x + x d}

(y + 12)^{2}

\frac{7}{9} + \frac{1}{6}

\frac{u + 1}{1 + \frac{1}{u + 1}}