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Solve the equation -4x + 2 = 86

User Secavfr
by
4.1k points

2 Answers

2 votes

Answer:

x = -21

Explanation:

-4x + 2 = 86

subtract 2 on both sides

-4x + 2 - 2 = 86 - 2

-4x = 84

Divide by -4 on both sides to isolate the variable

-4x/-4 = 84/-4

x = -21

We can check it bu using substitution

-4(-21) + 2 = 86

84 + 2 = 86

86 = 86

CORRECT

Hope this helped!

Have a supercalifragilisticexpialidocious day!

User MrHetii
by
4.6k points
1 vote

Answer: x= -21

Explanation:

-4x=86-2

calculate

-4x=84

divide both sides

x=-21

User Mariano Latorre
by
3.8k points