Question

Equação 1° grau

Me ajudem please ( com conta)

Answer 1

1)4x+40-2x+10=0

4x-2x=-10-40

2x=-50

X=-50:2

x=-25

2)6x+9-4x+4=3

6x-4x=3-4-9

2x=-10

x=-10:2

x=-5

3)7x-7-2x+5=x-5

7x-2x-x=-5-5+7

4x=-3

x=-3/4

4)6-2x=3x+12+16

-2x-3x=12+16-6

-5x=22 (-1)

5x=-22

x=-22/5

5)15-3x-3+6x=42

-3x+6x=42+3-15

3x=30

x=30:3

x=10