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brilliants [131]
3 years ago
9

15x+6=10x+21 solve for x

Mathematics
2 answers:
VMariaS [17]3 years ago
8 0
The answer would be x = 3.

15x = 10x + 21 - 6 (Subtract 6 from both sides)

15x = 10x + 15 (Simplify 10x + 21 - 6 to 10x + 15)

15x - 10x = 15 ( Subtract 10x from both sides)

5x = 15 ( Simplify 15x - 10x to 5x )

x = 15/5 ( Divide both sides by 5 )

x = 3 ( Simplify 15/5 to 3 ).
scoundrel [369]3 years ago
4 0

he answer would be x = 3.


15x = 10x + 21 - 6 (Subtract 6 from both sides)


15x = 10x + 15 (Simplify 10x + 21 - 6 to 10x + 15)


15x - 10x = 15 ( Subtract 10x from both sides)


5x = 15 ( Simplify 15x - 10x to 5x )


x = 15/5 ( Divide both sides by 5 )


x = 3 ( Simplify 15/5 to 3 ).


Read more on Brainly.com - brainly.com/question/2315247#readmore

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