SOLUTION: Please help! How do I solve the following equations? (a) -x+12=-4+x (b) 3(x-2)+2=2(x-4) (c) x/5

SOLUTION: Please help! How do I solve the following equations? (a) -x+12=-4+x (b) 3(x-2)+2=2(x-4) (c) x/5 - x/3 = 8/15 (d) I = Prt Solve for r

Question 69520This question is from textbook Beginning Algebra
: Please help! How do I solve the following equations?
(a) -x+12=-4+x
(b) 3(x-2)+2=2(x-4)
(c) x/5 - x/3 = 8/15
(d) I = Prt Solve for r This question is from textbook Beginning Algebra

Answer by Earlsdon(6294) (Show Source): You can put this solution on YOUR website!
a) Solve for x:
Add x to both sides of the equation.
Add 4 to both sides.
Divide both sides by 2.
or
b) Solve for x:
Apply the distributive property to both sides.
Combine like-terms.
Subtract 2x from both sides.
Add 4 to both sides.

c) Solve for x:
Combine (subtract) the fractions on the left side.
Simplify.
Multiply both sides by 15.
Divide both sides by -2.

d) Solve for r:
Divide both sides by Pt
or
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