Question

Срочно!!! буду благодарна

Answer 1

$1) (3x-7)*3-(x-3)*4 = 24\\9x-21-4x+12=24\\5x=33\\x=6,6$

$2) 12x^{2} -9x+16x-12-5=12x^{2} -14x+30x-35\\7x-16x=-18\\-9x=-18\\x=2$