g: \(\Leftrightarrow2\left(x-51\right)=16+20=36\)
=>x-51=18
hay x=69
p: =>5(x+4)=100
=>x+4=20
hay x=16
h: =>x-19=5
hay x=24
r: =>9(x+4)=5x4+25=45
=>x+4=5
hay x=1
g) `2(x-51)=2.2^3 +20`
`2(x-51)=36`
`x-51=18`
`x=69`
h) `450:(x-19)=50`
`x-19=9`
`x=28`
i) `4(x-3)=7^2-1^10`
`4(x-3)=48`
`x-3=12`
`x=15`
p) `135-5(x+4)=35`
`5(x+4)=100`
`x+4=20`
`x=16`
q) `25+3(x-8)=106`
`3(x-8)=81`
`x-8=27`
`x=35`
r) `3^2 (x+4)-5^2=5.2^2`
`9(x+4)-25=20`
`9(x+4)=45`
`x+4=5`
`x=1`
`2.(x-51)=2.2^3 +20`
`2.(x-51)=2^4+20`
`2.(x-51) = 16+20`
`2.(x-51)=36`
`x-51=36:2`
`x-51=18`
`x=18+51`
`x=69`
__________________
`450:(x-19)=50`
`x-19=450:50`
`x-19=9`
`x=9+19`
`x=28`
___________________
`4.(x-3)=7^2 - 1^10`
`4.(x-3)=49-1`
`4.(x-3)=48`
`x-3=48:4`
`x-3=12`
`x=12+3`
`x=15`
_________________
`135-5.(x+4)=35`
`5.(x+4)=135-35`
`5.(x+4)=100`
`x+4=100:5`
`x+4=20`
`x=20-4`
`x=16`
________________
`25+3.(x-8)=106`
`3.(x-8)=106-25`
`3.(x-8)=81`
`x-8=81:3`
`x-8=27`
`x=27+8`
`x=35`
__________________
`3^2.(x+4)-5^2 = 5.2^2`
`9.(x+4)-25=5.4`
`9.(x+4)-25=20`
`9.(x+4)=20+25`
`9.(x+4)=45`
`x+4=45:9`
`x+4=5`
`x=5-4`
`x=1`
\(g,2\left(x-51\right)=2.2^3+20\)
\(2\left(x-51\right)=36\)
\(x-51=36:2\)
\(x-51=18\)
\(x=18+51\)
\(x=69\)
_______________
\(h,450:\left(x-19\right)=50\)
\(x-19=450:50\)
\(x-19=9\)
\(x=9+19\)
\(x=28\)
_________________
\(i,4\left(x-3\right)=7^2-1^{10}\)
\(4\left(x-3\right)=48\)
\(x-3=48:4\)
\(x-3=12\)
\(x=12+3\)
\(x=15\)
________________
\(p,135-5\left(x+4\right)=35\)
\(5\left(x+4\right)=135-35\)
\(5\left(x+4\right)=100\)
\(x+4=100:5\)
\(x+4=20\)
\(x=20-4\)
\(x=16\)
__________________
\(q,25+3\left(x-8\right)=106\)
\(3\left(x-8\right)=106-25\)
\(3\left(x-8\right)=81\)
\(x-8=81:3\)
\(x-8=27\)
\(x=27+8\)
\(x=35\)
________________
\(r,3^2\left(x+4\right)-5^2=5.2^2\)
\(9\left(x+4\right)-25=20\)
\(9\left(x+4\right)=20+25\)
\(9\left(x+4\right)=45\)
\(x+4=45:9\)
\(x+4=5\)
\(x=5-4\)
\(x=1\)