What is (-4a+9)-(a+3) ?

The solution to (-4a+9)-(a+3) is -5a+6

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simplify (-4a+9)-(a+3)

simplify

(- 4 a + 9) - (a + 3)

- 5 a + 6

Solution steps

(- 4 a + 9) - (a + 3)

Apply rule:

(a) = a

(- 4 a + 9) = - 4 a + 9

= - 4 a + 9 - (a + 3)

Apply the distributive law:

- (a + b) = - a - b

- (a + 3) = - a - 3

= - 4 a + 9 - a - 3

Group like terms

= - 4 a - a + 9 - 3

Add similar elements:

- 4 a - a = - 5 a

= - 5 a + 9 - 3

Subtract the numbers:

9 - 3 = 6

= - 5 a + 6

(- \frac{1}{9})^{2}

- 4 - - 16

1 \div 1 \frac{1}{4}

(x + 8)^{2} - 2 (x + 8) - 1

4 (y + 7)