Question

плиз! решите уравнение! 1) 5х-4,5=3х+2,5

Answer 1

$5x - 4.5 - 3x + 2.5 = 0 \\ 2x - 2 = 0 \\ 2x = 2 \\ x = 2 \div 2 \\ x = 1$

Answer 2

5x-3x=2.5+4.5
2x=7
x=7/2
x=3.5