How do you solve #8x + 3x = 121#?
1 Answer
Feb 23, 2017
Explanation:
Simplify the left side by collecting like terms.
#rArr8x+3x=121#
#rArr11x=121# To solve for x, divide both sides of the equation by 11
#(cancel(11)^1 x)/cancel(11)^1=121/11#
#rArrx=11#
#color(blue)"As a check"# Substitute this value into the left side and if equal to the right side then it is the solution.
#(8xx11)+(3xx11)=88+33=121#
#rArrx=11" is the solution"#
