7th grade math: -3z + 2 = -7z - 22
- Thread starter alpepe
- Start date
Hello, alpepe!
Add \(\displaystyle 7z\): \(\displaystyle \L \;4z\,+\,2\,=\,-22\)
Subtract \(\displaystyle 2\): \(\displaystyle \L \;4z\,=\,-24\)
Divide by \(\displaystyle 4\): \(\displaystyle \L \;z\,=\,-6\)
Whenever I say "add 7z" or whatever that means I do that to both sides of the equation.
Add \(\displaystyle 7z\): \(\displaystyle \L \;4z\,+\,2\,=\,-22\)
Subtract \(\displaystyle 2\): \(\displaystyle \L \;4z\,=\,-24\)
Divide by \(\displaystyle 4\): \(\displaystyle \L \;z\,=\,-6\)
Whenever I say "add 7z" or whatever that means I do that to both sides of the equation.
