Question

1) -3x+5=2x-6 si 2) -3x+7=2x-8​

Answer 1

Salutare!

1)

$\bf -3x+5=2x-6$

$\bf -3x-2x=-6-5$

$\bf -5x=-11$

$\boxed{\bf x = \dfrac{11}{5}}$

2)

$\bf -3x+7=2x-8$

$\bf -3x-2x=-8-7$

$\bf -5x=-15$

$\bf x = -15:(-5)$

$\boxed{\bf x =3}$

Regula de semnelor:

(+) · (+) = (+)

(+) · (-) = (-)

(-) · (-) = (+)

(-) · (+) = (-)

==pav38==