Question

EQUAÇÃO DE 1º GRAU

5( 1 - x ) - 2x + 1 = -3 (2 + x)

Answer 1

5(1-x)- 2x +1= -3(2+x)
5 -5x - 2x + 1 = -6 -3x
-7x +3x = -6 -6
-4x = -12
x= -12/-4 = 3

Answer 2

5-5x-2x+1=-6-3x
-5x-2x+3x=-6-5+1•(-1)
+5x+2x-3x=6+5-1
+4x=10
x=10
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4
x=