4. Is the following always, sometimes, or never true?

14 + 3x – 7 = 7x + 7 – 4x

2 answers

14 + 3x – 7 = 7x + 7 – 4x
7 + 3x = 7 + 3x
0 = 0

It is ALWAYS true.
how can you write 52+(8+25)