Question

A)7x+50=+4x+250+10



B)2x+3x=750-250



c)10x+750=+2750+250+5x




mim ajudam é par amanhã de manhã


​

Answer 1

A) 7x + 50 = + 4x + 250 + 10

7x + 50 = 4x + 260

7x - 4x = 260 - 50

3x = 210

x = 210

3

x = 70

B) 2x + 3x = 750 - 250

5x = 500

x = 500

5

x = 100

c) 10x + 750 = + 2750 + 250 + 5x

10x + 750 = 3000 + 5x

10x - 5x = 300 - 750

5x = 2250

x = 2250

5

x = 450