Answer:
7
Step-by-step explanation:
6x-15=55-4x
combining similar terms
6x+4x=55+15
10x=70
dividing both sides by 10
x=7
Answer: X = 7
3(2x - 5) = 55 - 4x
Open bracket
6x - 15 = 55 - 4x
Collect like terms
6x + 4x = 55 + 15
10x = 70
x = 70/10
x = 7
