When Caleb verified his solution, it didn't work. What mistake did he make?
Caleb solved this equation and recorded his work.
7.4x + 4.1(2x - 4) = -2.3(x - 6) - 21.6
1. 7.4x + 8.2x - 16.4 = -2.3x + 13.8 - 21.6
2. 15.6x - 16.4 = -2.3x + 35.4
3. 17.9x - 16.4 = 35.4
VX
O In step 1, the distributive property was not used
properly on the right side of the equation.
In step 2, the like terms were not combined properly
on the right side of the equation.
O in step 3, the addition property of equality was not
used properly to isolate the variable term.
O In step 5, the division property of equality was not
used properly to solve for x.
4. 17.9x = 51.8
5. x = 2.89
Intro
Done