The value of x in the given equation −30x+855=−345 is 4.
An equation is formed of two equal expressions, equated together with the help of an equal sign '='.
The value of x can be written as,
[tex]-30x+855=-345\\\\-30x=-345-855\\\\-30x=-1200\\\\30x=1200\\\\x=4[/tex]
Hence, the value of x in the given equation −30x+855=−345 is 4.
Learn more about Equation:
https://brainly.com/question/2263981