Question

Ayuda porfa :( xdddd

Answer 1

H⊕∫A

a)

    $12\left(x+1\right)+3\left(2x+3\right)\\\\12x+12+3\left(2x+3\right)\\\\12x+12+6x+9\\\\18x+21$

b)

    $5\left(-3y-4\right)+6\left(3y-3\right)\\\\-15y-20+6\left(3y-3\right)\\\\-15y-20+18y-18\\\\3y-38$

c)

    $3\left(2x-5\right)-\left(x+3\right)\\\\6x-15-\left(x+3\right)\\\\6x-15-x-3\\\\5x-18$

d)

    $3\left(n-5\right)-4\left(3n+2\right)\\\\3n-15-4\left(3n+2\right)\\\\3n-15-12n-8\\\\-9n-23$

• Saludos, suerte.