Katieperezzzz Katieperezzzz

21-01-2016
Mathematics

Answered

Simplify the expression

9a- b-2a-10b

A-7a+ 11b
B11a + 9b
C-11a - 9b
D7a - 11b

5(x + 10) + x

A6x + 15

B.5x + 15

C6x + 50
D4x - 50

Please help me please

Verified Answer :

taskmasters taskmasters

21-01-2016

3)
9a - b - 2a - 10b

group like terms:
9a - 2a - b - 10b
7a - 11b ⇒ CHOICE D.

4)
5(x+10) + x
5x + 5(10) + x
5x + 50 + x
5x + x + 50
6x + 50 ⇒ Choice C.

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