Answer:
a = 180 - b + c
Step-by-step explanation:
a + b - c = 180
Move b by subtracting b from both sides.
a - c = 180 - b
Move c by adding c to both sides.
a = 180 - b + c
Therefore a equals 180 - b + c.
An equation for the sentence would be g + 7 = 12, where g is the unknown number of gallons.
Answer:
Step-by-step explanation:
