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One-Variable Equations

Solving Multi-Step Equations

Exercise 1.3

Solution

a
First, we add to both sides. That leaves us with alone on the left-hand side. From here, we'll divide by to isolate for
b
Solve for by adding to both sides and then divide by
c
Subtract in order to get the -term by itself on the right-hand side of the equation.

Hint

a

Use inverse operations on both sides in order to get the variable by itself on one side.

b

Use inverse operations on both sides in order to get the variable by itself on one side.

c

Use inverse operations on both sides in order to get the variable by itself on one side.

Answer

a

b

c