Question

решить уравнение
(4×b-16):2=10

Answer 1

4б-16=10*2
4б=20+16
4б=36
б=36/4
б=9

Answer 2

$(4 \times b - 16) \div 2 = 10 \\ (4b - 16) \div 2 - 10 = 0 \\ 2b - 8 - 10 =0 \\ 2b - 18 = 0 \\ 2b = 18 \\ b = 9$