Question

Qual o valor de x na seguinte equação 25x + 10 = 5x +70 ?​

Answer 1

Resposta:

x=3

Explicação passo-a-passo:

25x+10=5x+70

25x-5x=70-10

20x=60

x=60/20

x=3

Answer 2

$25x + 10 = 5x +70\\25x +10 -10 = 5x +70 -10\\\\25x +10 -10 = 5x +70 -10\\25x = 5x +70 -10\\\\25x = 5x +70 -10\\25x =5x +60\\\\25x =5x +60\\25x -5x = 5x +60-5x\\\\25x -5x = 5x +60-5x\\20x =5x +60 -5x\\\\20x =5x +60 -5x\\20x= 60\\\\20x=60\\\\\frac{20x}{20} = \frac{60}{20} \\\\\frac{20x}{20} = \frac{60}{20}\\\\x= \frac{60}{20} \\\\60:20= 3\\\\x= 3$