Let's solve the equation step by step:
13(a-2) + 87(a+1) = 3,495
Expanding both terms:
13a - 26 + 87a + 87 = 3,495
Combining like terms:
100a + 61 = 3,495
Subtracting 61 from both sides:
100a = 3,434
Dividing by 100:
a = 34.34
Therefore, the solution to the equation is a = 34.34.
Let's solve the equation step by step:
13(a-2) + 87(a+1) = 3,495
Expanding both terms:
13a - 26 + 87a + 87 = 3,495
Combining like terms:
100a + 61 = 3,495
Subtracting 61 from both sides:
100a = 3,434
Dividing by 100:
a = 34.34
Therefore, the solution to the equation is a = 34.34.