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16 votes
(5x+42)+(8x-15) solve for X

User AaoIi
by
4.8k points

1 Answer

7 votes

Answer:

13x+27

Explanation:

Remove the parentheses: (a) = a

=5x+42+8x-15

Group like terms:

=5x+8x+42-15

Add similar elements: 5x+8x=13x

=13x+42-15

Add and subtract the numbers: 42-15=27

=13x+27

User Piotr Semenov
by
4.8k points