Question

Resolva as equações

5x-10=105

4x+15=2x+45

14x=210

X+2x=150

X+X+4=30

2(x-6)-2=8-4(X+1)

Urgenteee

Answer 1

A) 5x-10=105 B) 4x+15=2x+45
5x=105+10 4x-2x=45-15
5x=115 2x=30
X=115÷5 x=30÷2
X=23 x=15

C)14x=210 D) X+2x=150
X=210÷14 3x=150
X=15 x=150÷3
X=50

E)x+x+4=30 F) 2(x-6)-2=8-4(x+1)
X+x=30-4 2+x-6-2=8-4+x+1
2x=26 x-x=8-4+1-2
X=26÷2 =3
X=13