Question

7x - x + 4 - 2 x + 1 = 10

Answer 1

Respuesta:

x = 1.25

Explicación paso a paso:

7x-x+4-2x+1 = 10

4x+4+1 = 10

4x+5 = 10

4x = 10-5

4x = 5

x = 5/4

x = 1.25

Comprobacion:

7(1.25)-(1.25)+4-2(1.25)+1 = 10

8.75-1.25+4-2.50+1 = 10

10 = 10