Solving by Combining Like Terms
WRITE AN EQUATION & SOLVE: Julie is 3 years older than her sister. Julie's age is 11 years old. How old is her sister?
n: Julie's sister's age
n + 3 = 11
n = 8 Julie's sister is 8 years old.
-13(4 - 2a) = 208
a = 10
Simplify. -7(t + 8.5) - 5t + 4
-12t + -55.5
-12t - 55.5