How do you solve #-2x - 7 + 3x =10#?
1 Answer
May 29, 2018
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"#
