Question

resolva a equaçao do primeiro grau
5(1-x)-2x+1=-3(2+x)
4x=-8x+36
4(x-3)=2x-5

Answer 1

Ola Caroolina

5(1-x) -2x + 1 = -3(2+x)

5 - 5x - 2x + 1 = -6 - 3x

7x - 3x = 5 + 1 + 6

4x = 12

x = 12/4 = 3

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4x = -8x + 36

4x + 8x = 36

12x = 36

x = 36/12 = 3

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4(x-3) = 2x - 5

4x - 12 = 2x - 5

4x - 2x = 12 - 5

2x = 7

x = 7/2