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Helga [31]
3 years ago
5

Solve for x. 85 = −6x + 7 + 4x A. 78 B. 39 C. −39 D. −78

Mathematics
2 answers:
Wittaler [7]3 years ago
6 0

Answer:            x = -39

Step-by-step explanation:

85= -6x+7+4x      combine like terms (-6x, 4x)

85= -2x+7            subtract 7 from both sides

78= -2x                  divide both sides by -2

x= -39        

V125BC [204]3 years ago
6 0

Answer:

-39

Step-by-step explanation:

combine like term.

85= -2x+7

1st subtract 7 from both sides

78=-2x

then divide both sides by -2

-39=x

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