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Studentka2010 [4]

3 years ago

5

12x+40=15x+25 solve for x

2 answers:

Vilka [71]3 years ago

8 0

Answer:

x=5

Step-by-step explanation:

12x+40=15x+25

12x=15x-15

12x=15x-15-15x

-3x=-15

-3x=-15 divide both by -3

answer is 5

fiasKO [112]3 years ago

6 0

Answer:

5 = x

Step-by-step explanation:

12x+40=15x+25

Subtract 12x from each side

12x-12x+40=15x-12x+25

40 = 3x +25

Subtract 25 from each side

40-25 = 3x+25-25

15 =3x

Divide by 3

15/3 =3x/3

5 = x

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