Question

Pls tell me answer fast ​

Answer 1

Step-by-step explanation:

1.

2x-3=x+2

2x-x=2+3

x=5

2.

2x-3=7

2x=7+3

2x=10

x=10/2

x=5

3.

2y+9=4

2y=4-9

2y= -5

y= -5/2

y=-2.5

4.

3x=2x+18

3x-2x=18

x=18

Answer 2

Questions:

• 2x - 3 = x + 2
• 2x - 3 = 7
• 2y + 9 = 4
• 3x = 2x + 18

Answer:

Question 1:-

2x - 3 = x + 2

[ shift x in LHS and (-3) in RHS]

→ 2x - x = 2 + 3

→ x = 5 ••••(Answer)

Question 2:-

2x - 3 = 7

[shift (-3) in RHS]

→ 2x = 7 + 3

→ 2x = 10

→ x = 10/2

→ x = 5 •••(Answer)

Question 3:-

2y + 9 = 4

[shift 9 in RHS]

→ 2y = 4 - 9

→ 2y = -5

→ y = -5/2

→ y = -2.5 ••••(Answer)

Question 4:-

3x = 2x + 18

[Shift 2x in LHS]

→ 3x - 2x = 18

→ x = 18 ••••(Answer)

__________________

During to solve these questions, we need to keep something in our mind which are :

• (+) × (-) = (-)
• (+) × (+) = (+)
• (-) × (+) = (-)
• (-) × (-) = (-)

• When (-a) will be shifted in RHS from LHS then it will become (+a)

• When (-a) will be shifted in LHS from RHS then it will become (+a)

• When (+a) will be shifted in RHS from LHS then it will become (-a)

• When (+a) will be shifted in LHS from RHS then it will become (-a)