Question

Solve the two-step equation for the unknown variable.

72 + 3 = 24

a) a = 2
b) b x = 3
c) C = 1
d) d r = 4

Answer 1

To solve the two-step equation 72 + 3 = 24a, subtract 3 from both sides of the equation, divide both sides by 24, and then add 3/8 to both sides to isolate 'a' and find the solution.

Step-by-step explanation:

To solve the two-step equation 72 + 3 = 24a, we need to isolate the variable 'a'. To do this, we first subtract 3 from both sides of the equation: 72 + 3 - 3 = 24a - 3. This simplifies to 72 = 24a - 3. Then, we divide both sides of the equation by 24 to solve for 'a': 72/24 = (24a - 3)/24. This simplifies to 3 = a - 3/8. Finally, we add 3/8 to both sides of the equation to isolate 'a' and find the solution: 3 + 3/8 = a - 3/8 + 3/8. This simplifies to 27/8 = a.