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18 votes
4(x + 9) = 20
how do i show my work

User Shamas
by
4.6k points

2 Answers

12 votes
4(x+9)=20.
4x+9=20
20-9=11
4x=11
11/4=2.75
User Miguel Savignano
by
4.1k points
12 votes

Answer:

x=-4

Explanation:

First, distribute the 4

this makes 4x + 36 = 20

Then, subtract 36 to combine like terms. 4x = -16

divide 4x! x = -4

User Boris Pavlovic
by
4.4k points