Question

15 = 2a + 7
Plz help

Answer 1

a = 4

Explanation:

Solve for a:

15 = 2 a + 7

15 = 2 a + 7 is equivalent to 2 a + 7 = 15:

2 a + 7 = 15

Subtract 7 from both sides:

2 a + (7 - 7) = 15 - 7

7 - 7 = 0:

2 a = 15 - 7

15 - 7 = 8:

2 a = 8

Divide both sides of 2 a = 8 by 2:

(2 a)/2 = 8/2

2/2 = 1:

a = 8/2

The gcd of 8 and 2 is 2, so 8/2 = (2×4)/(2×1) = 2/2×4 = 4:

Answer: a = 4

Answer 2

Hdgdgsskjsjjhuucfugguihigigguug