Question

equaçao 1 grau

D) 7-2x=4+x

E)-X+3=-2x+1

f) -54+7-10=3x+13-12
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Answer 1

D) -2x-x = 4 - 7
-3x= -3
-x = -3/-3 (-1)
x = 1

E) -x +2x= 1 - 3
x = -2

F) -54 + 7 - 10 - 13 + 12 = 3x
-58/3 = x ou 19.3 = x