What is (7a+19)-(a-31) ?

The solution to (7a+19)-(a-31) is 6a+50

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simplify (7a+19)-(a-31)

simplify

(7 a + 19) - (a - 31)

6 a + 50

Solution steps

(7 a + 19) - (a - 31)

Apply rule:

(a) = a

(7 a + 19) = 7 a + 19

= 7 a + 19 - (a - 31)

Apply the distributive law:

- (a - b) = - a + b

- (a - 31) = - a + 31

= 7 a + 19 - a + 31

Group like terms

= 7 a - a + 19 + 31

Add similar elements:

7 a - a = 6 a

= 6 a + 19 + 31

Add the numbers:

19 + 31 = 50

= 6 a + 50

(a^{n})^{m}

\frac{( a ^{- 2} ) ^{6}}{( a ^{4} ) ^{- 3}}

(x - 1)^{3} - (x - 1)^{2}

9 x^{0}

3 - 33