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Mathematics 51 Online
OpenStudy (haley.fieldss):

8x-3=15x+18?

KjSaif (kjsaif):

Subtract 15x from both sides.

KjSaif (kjsaif):

8x − 3 − 15x = 15x + 18 − 15x

OpenStudy (steve816):

Add 3 to both sides.

KjSaif (kjsaif):

−7x−3=18

KjSaif (kjsaif):

Add 3 to both sides. −7x−3+3=18+3

OpenStudy (steve816):

@KJSaif Very smart guy!

KjSaif (kjsaif):

thanks! @steve816 :)

KjSaif (kjsaif):

−7x=21

KjSaif (kjsaif):

Divide both sides by -7. :)

KjSaif (kjsaif):

−7x/−7 = 21/−7

KjSaif (kjsaif):

Which! Gives you the answer...x=−3

KjSaif (kjsaif):

hope this helps! @Haley.Fieldss :)

OpenStudy (haley.fieldss):

thanks

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