10x+8-(4x-5) При х=-2/3

Question

10x+8-(4x-5)
При х=-2/3

Answer 1

10х+8-(4х-5) = 10х+8-4х+5 = 6х+13
при х= -2/3
6 * (-2/3) +13 = -4+13 = 9

Answer 2

10х+8-(4х-5)=10х+8-4х+5=6х+13
при х=-2/3
6*(-2/3)+13=-4+13=9