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bonjour aidez moi svp

a) 24x+18= -5
b)-22x -10= -8
c)-14x -5= 4 -2x
d)10x + 12 = 22x + 19
e)-10x - 15 = -19x -20
f)2x- 19 = 9x - 24

Sagot :

☺ Salut ☺

[tex]\\[/tex]

[tex]\rule{6cm}{1mm}[/tex]

Trouvons x :

[tex]a)\:24x + 18 = - 5[/tex]

[tex]a)\:24x = - 5 - 18[/tex]

[tex]a)\:24x = - 23[/tex]

[tex]\boxed{\boxed{\green{a)\:x = - \dfrac{23}{24}}}}[/tex]

[tex]b)\: - 22x - 10 = - 8[/tex]

[tex]b)\: - 22x = - 8 + 10[/tex]

[tex]b)\: - 22x = 2[/tex]

[tex]b)\: - 22x = 2 [/tex]

[tex]b)\: x = - \dfrac{2}{22} [/tex]

On Simplifie par 2 :

[tex]\boxed{\boxed{\green{b)\: x = - \dfrac{1}{11}}}} [/tex]

[tex]c)\: - 14x - 5 = 4 - 2x[/tex]

[tex]c)\: - 14x + 2x = 4 + 5[/tex]

[tex]c)\: - 12x = 9[/tex]

[tex]c)\: x = - \dfrac{9}{12}[/tex]

On Simplifie par 3 :

[tex]\boxed{\boxed{\green{c)\: x = - \dfrac{3}{4}}}}[/tex]

[tex]d)\: 10x + 12 = 22x + 19[/tex]

[tex]d)\: 10x - 22x = 19 - 12[/tex]

[tex]d)\: - 12x = 7[/tex]

[tex]\boxed{\boxed{\green{d)\: x = - \dfrac{7}{12}}}}[/tex]

[tex]e)\: - 10x - 15 = - 19x - 20[/tex]

[tex]e)\: - 10x + 19x = - 20 + 15[/tex]

[tex]e)\: 9x = - 5[/tex]

[tex]\boxed{\boxed{\green{e)\: x = - \dfrac{5}{9}}}}[/tex]

[tex]f)\: 2x - 19 = 9x - 24[/tex]

[tex]f)\: 2x - 9x = 19 - 24[/tex]

[tex]f)\: - 7x = - 5[/tex]

[tex]f)\: 7x = 5[/tex]

[tex]\boxed{\boxed{\green{f)\: x = \dfrac{5}{7}}}}[/tex]

[tex]\rule{6cm}{1mm}[/tex]

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