SOLUTION: Need help solving 1) is x=3 a solution for 4x+1=-11? 2) solve using the addition principle p+2=-5

Algebra ->  Expressions -> SOLUTION: Need help solving 1) is x=3 a solution for 4x+1=-11? 2) solve using the addition principle p+2=-5      Log On


   



Question 640765: Need help solving
1) is x=3 a solution for 4x+1=-11?

2) solve using the addition principle p+2=-5

Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!

1) is x=3 a solution for 4x%2B1=-11?
let's solve this tor x: 4x%2B1=-11
4x=-11-1
4x=-12
x=-12%2F4
x=-3......so, the answer is x=3 is NOT a solution for 4x%2B1=-11

2) solve using the addition principle p%2B2=-5
p%2B2-2=-5-2
p%2Bcross%282%29-cross%282%29=-5-2
p=-7