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

1 Answer
May 29, 2018

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"