Question

x+100=200-300

 

Answer 1

x + 100 = 200 - 300

x + 100 = -100

x = -100 - 100

x = -200

Answer 2

\(x+100=200-300\)

\(\Leftrightarrow\)\(x+100=\left(-100\right)\)

\(\Rightarrow x=\left(-100\right)-100\)

\(\Rightarrow\)\(x=\left(-200\right)\)