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15 votes
15 votes
Make x the subject of the formula x(2+a)=b(x+3)

User Deadstump
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2 Answers

19 votes
19 votes

x( 2 + a ) = bx + 3b

x( 2 + a ) - bx = bx - bx + 3b

x ( 2 + a - b ) = 3b

x ( 2 + a - b ) ÷ ( 2 + a - b ) = 3b ÷ ( 2 + a - b )

x = 3b / 2 + a - b

User Gbmhunter
by
3.4k points
16 votes
16 votes

Answer:

x=3b/(2+a-b)

Explanation:

x(2+a)=b(x+3)

2x+ax=bx+3b

2x+ax-bx=3b

x(2+a-b)=3b

x=3b/(2+a-b)

User Coco Puffs
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3.1k points