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22-04-2019
Mathematics

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a. 3 units
b. 8 units
c. 13 units
d. 33units

a 3 units b 8 units c 13 units d 33units class=

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Аноним Аноним

22-04-2019

4x+1=2x+7

2x-2x=0

move 2x to the left hand side. The sign changes from positive to negative for 2x.

4x-2x=7-1

move 1 to the right hand side. The sign for 1 changes from positive to negative.

2x= 6

Then divide by 6 for each number .

x = 3

Answer : a

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