[tex]\\ \bull\tt\dashrightarrow \dfrac{-3}{8}x-20+2x>6[/tex]
[tex]\\ \bull\tt\dashrightarrow \dfrac{-3}{8}x+2x=6+20=26[/tex]
[tex]\\ \bull\tt\dashrightarrow \dfrac{-3+16}{8}x=26[/tex]
[tex]\\ \bull\tt\dashrightarrow \dfrac{13}{8}x=26[/tex]
[tex]\\ \bull\tt\dashrightarrow x=26\times \dfrac{8}{13}[/tex]
[tex]\\ \bull\tt\dashrightarrow x=8(2)=16[/tex]
#27
[tex]\\ \bull\tt\dashrightarrow 0.5x-4-2x\leqslant 2[/tex]
[tex]\\ \bull\tt\dashrightarrow 0.5x-2x\leqslant=2+4=6[/tex]
[tex]\\ \bull\tt\dashrightarrow -1.5x\leqslant 6[/tex]
[tex]\\ \bull\tt\dashrightarrow x\leqslant\dfrac{6}{-1.5}[/tex]
[tex]\\ \bull\tt\dashrightarrow x\leqslant 4[/tex]
