\(200-8\left(2x+7\right)=112\)
\(8\left(2x+7\right)=200-112\)
\(8\left(2x+7\right)=88\)
\(2x+7=88:8\)
\(2x+7=11\)
\(2x=11-7\)
\(2x=4\)
\(x=4:2\)
\(x=2\)
\(200-8.\left(2x+7\right)=112\\ 8.\left(2x+7\right)=200-112\\ 8.\left(2x+7\right)=88\\ 2x+7=88:8\\ 2x+7=11\\ 2x=11-7\\ 2x=4\\ x=4:2\\ x=2\\ Vậyx=2\)
\(200-8.\left(2x+7\right)=112\)
\(\Rightarrow8.\left(2x+7\right)=200-112\)
\(\Rightarrow8.\left(2x+7\right)=88\)
\(\Rightarrow2x+7=11\)
\(\Rightarrow2x=4\)
\(\Rightarrow x=2\)
Vậy x=2.
200-8.(2x+7)=112
=>8.(2x+7)=200-112=88
=>2x+7=88:8=11
=>2x=11-7=4
=>x=4:2=2
Vậy x=2
\(200-8.\left(2.x+7\right)=112< =>8.\left(2.x+7\right)=200-112< =>8.\left(2.x+7\right)=88< =>2.x+7=88:8< =>2.x+7=11< =>2.x=11-7< =>2.x=4< =>x=4:2< =>x=2\)
x = \(200-16x-56=112\)
x = \(144 -16x=112\)
x = \(-16x+144=112\)
x = \(-16x+144-144=112-144\)
x = \(-16x=112-144\)
x = \(-16x=-32\)
x = \(\dfrac{-16x}{-16}=\dfrac{-32}{-16}\)
x = \(\dfrac{-32}{-16}\)
x = \(2\)