The answer to this problem is x=210
For this you need to expand the brackets first:
3(2x+5)-4(2x-7) = 6x+15-8x-28
And then now you need to add and simplify:
6x+15-8x-28 —> 6x-8x= -2x
15-28= -13
So that leaves
-2x - 13
Answer
x - 15 = 18
Explanation
X is the variable that is required to get the answer 18
Answer: 598
Step-by-step explanation: 23 x 26 = answer = 598