Question

(28) Pontos. Resolva

a) 4. (x+3)=1

b) 3. (x-2)=0

c) 7 (x-2)=5

preciso de conta.

Answer 1

A )

4 ( x + 3 ) = 1

4x + 12 = 1

4x = 1 - 12

X = - 11/4
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B )

3 ( x - 2 ) = 0

3x - 6 = 0

3x = 6

X = 6/3

X = 2
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C )

7 ( x - 2 ) = 5

7x - 14 = 5

7x = 5 + 14

X = 19/7