Explicação passo-a-passo:
[tex]\blue {{ _{\heartsuit} } \heartsuit_{\heartsuit} } \: \: \mathsf {OI, TUDO \: \: J\acute{O}IA \: ? \: \:\blue {{ _{\heartsuit} } \heartsuit_{\heartsuit} } }[/tex]
a)
[tex] \sf{2.(2x-1) = 28} \\ \sf{4x - 2 = 28} \\ \sf{4x = 28 + 2} \\ \sf{4x = 30} \\ \boxed{\red{ \sf{ \frac{30}{4} }}}[/tex]
b)
[tex] \sf{2.(3x-2) = 4} \\ \sf{6x - 4 = 4} \\ \sf{6x = 4 + 4} \\ \sf{6x = 8} \\ \boxed{\red{ \sf{x = \frac{8}{6} }}}[/tex]
c)
[tex] \sf{2.(4x-1)=14 } \\ \sf{8x - 2 = 14} \\ \sf{8x = 14 + 2} \\ \sf{8x = 16} \\ \sf{x = \frac{16}{8} } \\ \boxed{\red{ \sf{x = 2}}}[/tex]
d)
[tex] \sf{3.(4x+4)=24 } \\ \sf{12x + 12 = 24} \\ \sf{12x = 24 - 12} \\ \sf{12x = 12} \\ \sf{x = \frac{12}{12} } \\ \boxed{\red{ \sf{x = 1}}}[/tex]
e)
[tex] \sf{5.(2x+30) = 160} \\ \sf{10x + 150 = 160} \\ \sf{10x = 160 - 150} \\ \sf{10x = 10} \\ \sf{x = \frac{10}{10} } \\ \boxed{\red{ \sf{x = 1}}}[/tex]
f)
[tex] \sf{4.(x+1)=44} \\ \sf{4x + 4 = 44} \\ \sf{4x = 44 - 4} \\ \sf{4x = 40} \\ \sf{x = \frac{40}{4} } \\ \boxed{\red{ \sf{x = 4}}}[/tex]
[tex]\mathcal{ATT : ARMANDO} \\ \mathfrak{\small04\diagup01\diagup2021} \\ \mathfrak{\small{10} :{18} \: \: pm}[/tex]
