3 years ago

2x+8=7x-12 || -m/4+5=2 || 3x-8=-17 ||

1 answer:

3 0

2x+8=7x-12 we put the x in a side and the number in the other side
5x = 20
x= 20/5 = 4

 -m/4+5=2
 common denominator
-m /4 + 20/4 = 2/4
-m +20 = 2

m = 20-2 =18

3x-8=-17

3x = -17 +8

3x = -9

x= -9/3 = -3

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