نسمضحسهظمصكضححضضكمثحثجصخشمشوسظم
Answer:
Can you restate the question, it is hard to solve with typos.
If you would like, it would also help to attach an image or picture of the question.
Answer:
a= 40
Step-by-step explanation:
-5a + 7.5a - 25 = 53.2 + 21.8
add like terms on both sides: 2.5a - 25 = 75
add 25 on both sides: 2.5a = 100
divide both sides by 2.5: a = 40
Use the foil method
FIRST
OUTER
INNER
LAST
9x by 5x
9x by -7
-12 by 5x
-7 by -12
Then add and subtract like terms to get the answer.
