Question

Find the Solutions of the Following Equations.
1) x + 3 = 15
2) 2x - 7= 7

3) 7 + 3z = - 28​

Answer 1

Answer:

1)

x + 3 = 15

x = 15 - 3

x = 12

2)

2x - 7 = 7

2x = 7 + 7

2x = 14

x = 14/2

x = 7

3)

2y/3 = 14

2y = 14 x 3

2y = 42

y = 42/2

y = 21

4)

m/3 +2 = 7/15

m/3 = 7/15 + 2

m/3 = 7/15 + 30/15 (LCM = 15)

m/3 = 37/15

m = (37 x 3)/15

m = 37/5 = 7 2/5

5)

7 + 3z = -28

3z = -28 - 7

3z = -35

z = -35/3 = -11 2/3

Hope it helped, feel free to ask me any doubts.

Answer 2

Answer:

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