Question

Exercise - 2.3
Solve the following equations:
7x - 5=2x = 1
5 =
za
2. 5x - 12 = 2x - 6 - 2
- De
J
3. 7p - 3 = 3p + 8 -
4. 8m +9 = 7m +8 |
7z+ 13 = 22 +4 49
6. 9y + 5 = 15y-1- |
7. 3x + 4 = 5 (x-2) -
8. 3 (t– 3) = 5 (2t - 1)​

Answer 1

Answers:

1)7x-5=2x

7x-2x=5

5x=5

x=5/5=1

2)5x-12=2x-6

5x-2x=-6+12

3x=-6

x=-6/3

x=-2

3)7p-3=3p+8

7p-3p=8+3

4p=11

p=11/4

4)8m+9=7m+8

8m-7m=8-9

m=-1

5)7z+13=2z+4

7z-2z=4-13

5z=-9

z=-9/5

6)9y+5=15y-1

9y-15y=-1-5

-6y=6

y=-6/-6

y=1

7)3x+4=5(x-2)

3x+4=5x-10

3x-5x=-10-4

-2x=-14

x=-14/-2

x=7

8)3(t-3)=5(2t-1)

3t-9=10t-5

3t-10t=-5+9

-7t=4

t=4/-7

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