How do you solve #-2x - 7 + 3x =10#?

1 Answer
May 29, 2018

Answer:

#x=17#

Explanation:

#"collect like terms on left side of equation"#

#x-7=10#

#"add 7 to both sides"#

#xcancel(-7)cancel(+7)=10+7#

#x=17#

#color(blue)"As a check"#

Substitute thus value into the left side of the equation and if equal to the right side then it is the solution.

#(-2xx17)-7+(3xx17)=-34-7+51=10#

#x=17" is the solution"#