Question

simplify 5x+(3x-7)
please

Answer 1

here 5x + 3x-7=0
8x-7=0
x=7/8

Answer 2

5x+(3x-7)
It can be written simply as 5x+3x-7 which will result in 8x-7.

Hence your answer is 8x-7.

Now, if you have to find the value of x, then proceed :
8x-7 = 0
=> 8x = 7
=> x = 7/8

So, i will tell you to think every mathematical problems easily and not hardly. You will score full marks......^___^