\(7x+15-15=4x+9-157x=4x-6\)AlgebraTrigonometryCalculusAlphabet1 of 4⬚⬚⬚⬚⬚|⬚|⬚!log⬚=⬚√⬚⬚√<≤>≥⬚⬚⬚2789÷f(x)i456×()123−xy0.%+AC2 of 4⬚⬚sincostanarcsin=⬚√cscseccotarctanarccos⬚⬚⬚2789÷π⬚°456×()123−xy0.%+AC3 of 4⬚C(n,k)P(n,k)lnlog⬚=⬚⬚√∫⬚∫⬚⬚⬚lim⬚→⬚lim⬚→⬚+lim⬚→⬚−Σ∞789÷f(x)e456×()123−xy0.%+AC4 of 4abcdefghijklmnopqrstuvwxyzαβγεθλμπρφACFind