Rewrite 4a + 7a using the Distributive Property. a + a + a + a + a + a + a + a + a + a + a
4(a + a)
28a
a(4 + 7)

Please help, i am bad with algebra​

Solve x+3y=6 and 4x-6y=6 by elimination . show work !

Simplify. −4x^2 (5x^4−3x^2+x−2) −20x^6−12x^4+8x^3−8x^2 −20x^6+12x^4−4x^3+8x^2 −20x^8+12x^4−4x^2+8x −20x^6+12x^4+4x^3−8x^2

Maurice has 54 fewer comic books than rebecca.they have 130 comic books together .how many comic books are in maurices collection ? how many comic books are in rebeccas collection