Question

NEED work and answers
a. 2x + 3 = 15
b. 7x - 1 = 62
c. x/3 + 2 = 37
d. 30 - 8x = 15
e. 10 - x/2 = 15
f. 6 - 5n = 20
g. 3m + 4 = 80

Answer 1

Answer:

(a). 2x+3 = 15

→ 2x = 15-3

→ 2x= 12

→ x= 12/2

→ x = 6

(b). 7x- 1 = 62

→ 7x = 62+1

→ 7x = 63

→ x = 63/7

→ x= 9

(c). x/3 +2 =37

→ x/3=37-2

→ x/3 = 35

→ x= 35/3

→ x= 11.67

(d). 30-8x = 15

→-8x = 15-30

→-8x = -15

→ x= 15/8

(e). 10-x/2 = 15

→-x/2 = 15-10

→ -x= 5×2

→ -x= 10

→ x= -10

(f). 6-5n = 20

→ -5n = 20-6

→ -5n = 14

→ -n = 14/5

→ n= -14/5

(g). 3m+ 4 = 80

→ 3m = 80-4

→ 3m = 76

→ m = 76/3

→ m= 25.3

Step-by-step explanation:

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