3 years ago

13 = -7 + 9x - 5x X =

Mathematics

1 answer:

brilliants [131]3 years ago

3 0

Answer:

x = 5

Step-by-step explanation:

Given

13 = - 7 + 9x - 5x , that is

13 = - 7 + 4x ( add 7 to both sides )

20 = 4x ( divide both sides by 4 )

5 = x

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