How do you evaluate 3y - 4+ y + 20= 8+ 7y + 12- 5y?
1 Answer
Jul 10, 2017
Explanation:
Identify like terms
Simplify both sides by adding like terms
\color(indianred)(3y+y)\color(seagreen)(-4+20)=\color(seagreen)(8+12)\color(indianred)(+7y-5y) \color(indianred)(4y)\color(seagreen)(+16)=\color(seagreen)(20)\color(indianred)(+2y)
Reorganize so that like terms are alone on each side
\color(indianred)(4y-2y)=\color(seagreen)(20-16) \color(indianred)(2y)=\color(seagreen)(4)
Divide to finish evaluation