Question

me ayudan porfa lo necesito​

Answer 1

1. 3x+1=x-1
3x-x= -1-1
2x=2
X= 2/2
X=1

2. 5(2x+3)= 5x+8
10+15=5x+8
10x-5x= 8-15
5x= -7
X = [−7/5]
X = -1/4

3. 3/4x-4=2x+1/2
-5/4x-9/2= 0
(-5/4)* x+ (-9/2)= 0
X= -(-9/2)
———
-5/4
X= -18/5