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U suuwol is given. Chec
the given solution is correct.
a.
If 3r+ 7 = x-1. then does x=-4?
b.
If -2x-4=-4x+3. then does x=3?
c.
If -3x+5+5x-1=0 then does x=2?
d.
If -(x-1)=4x-5-3x, then does x= 3?

Respuesta :

Explanation:

a. 3x+7= x-1

3x-x=-1-7

2x=-8

x=-8/2

x=-4

b. -2x+4x=3+4

2x=7

x= 7/2

x= 3.5

c.-3x+5x=1-5

2x=4

x=4/2

x=2

d. -x+1=4x-5-3x

1+5=4x-3x+1

6=2x

6/2=x

x=3

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