Question

Solve the following equations.

(1) 2x – 3 = 5
(2) 1/2 - 8x = -15/2​

Answer 1

Answer:

2x - 3 = 5

x = 4

2 x 4 - 3 = 5

1/2 -8x = -15/2

x = 2

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

1) 2x-3=5

add 3 to both sides,

2x-3+3=5+3

2x= 8

divide both sides by 2

2x/2=8/2

x= 4

2) multiply both sides by 2,

1/2*2-8x*2=-15/2*2

1-16x= -15

add 16 x to both sides

1-16x+16x=-15+16x

add 15 to both sides

1+15= -15+16x+15

16= 16x

divide both sides by 16,

1=x

I. e. x=1