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Olin [163]
3 years ago
5

-6(2r + 8) = -10(r - 3)

Mathematics
2 answers:
GaryK [48]3 years ago
7 0

Answer:

r=-39

Step-by-step explanation:

-6(2r + 8)= -10(r-3)    solve -6(2r+8)

-12r-48= -10(r-3)       solve -10(r-3)

-12r-48= 10r+30

+48            +48

-12r=-10r+78

+10r      +10r

-2r=78

-2r/-2=78/-2

r=-39

lys-0071 [83]3 years ago
6 0

Hey there!


-6(2r + 8) = -10(r - 3)

-6(2r) - 6(8) = -10(r) - 10(-3)

-12r - 48 = -10r + 30


ADD 10r to BOTH SIDES

-12r - 48 + 10r = -10r + 30 + 10r


SIMPLIFY IT!


-2r - 48 = 30


ADD 48 to BOTH SIDES

-2r - 48 + 48 = 30 + 48


SIMPLIFY IT!


-2r = 78


DIVIDE -2 to BOTH SIDES

-2r/-2 = 78/-2


SIMPLIFY IT!

r = -39


Therefore, your answer is: r = -39


Good luck on your assignment & enjoy day!


~Amphitrite1040:)

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