Решите уравнения 1) 2,3×8-5×(х:2-13)=10,4 2)160:(3х+2)-(28-26)=18 3)(29+7х):5+(27-11)=26

1) [latex]2,3*8-5*(\frac{x}{2}-13)=10,4[/latex] [latex]18,4-\frac{5x}{2}+65=10,4[/latex] [latex]-\frac{5x}{2}+65 =10,4-18,4[/latex] [latex]-2,5x+65=-8[/latex] —2,5x = —8 — 65 —2,5x = —73 x = [latex] \frac{-73}{-2,5} [/latex] = 29,2 = [latex]29\frac{1}{5} [/latex] 2) [latex] \frac{160}{(3x+2)}-(28-26)=18[/latex] [latex] \frac{160}{(3x+2)}-28+26=18[/latex] [latex] \frac{160}{(3x+2)}-2=18[/latex] [latex] \frac{160}{(3x+2)}=18+2[/latex] [latex] \frac{160}{(3x+2)}=20[/latex] 160 = (3x + 2) × 20 160 = 60x + 40 160 — 40 = 60x 120 = 60x x = 2 3) [latex] \frac{(29+7x)}{5}+(27-11)=26[/latex] [latex] \frac{(29+7x)}{5}+27-11=26[/latex] [latex] \frac{(29+7x)}{5}+16=26[/latex] [latex] \frac{(29+7x)}{5}=26-16[/latex] [latex] \frac{(29+7x)}{5}=10[/latex] 29 + 7x = 5 × 10 29 + 7x = 50 7x = 50 — 29 7x = 21 x = 3