Question

4 equacoes de 1 grau ja resolvidas

Answer 1

essas serve??? .........

Answer 2

3x+4=x+6

3x-x= 6-4

2x= 2

X= 2/2

X= 1

3y-20=y+80

3y-y= 80+20

2y= 100

y= 100/2

y= 50

2x -5x +30 = -20

30 + 20 = 5x - 2x

50 = 3x

x= 50/3

x= 16,6

4x+1=5x-9​

4x-5x= -9-1

-x= -10 (-1)

X= 10

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