Question

to isolate j in kj - l = m, which operation is used first?
a. subtraction
b. addition
c. multiplication
d. division

what is the first step in solving the equation \\(\frac{a}{b} = c\\) for a?
a. multiply both sides by b
b. add b to both sides
c. subtract c from both sides
d. divide both sides by c

Explanation:

Step1: Isolate term with j

Add \( l \) to both sides: \( kj - l + l = m + l \) → \( kj = m + l \)

Step2: Solve for a

Multiply both sides by \( b \): \( \frac{a}{b} \times b = c \times b \) → \( a = bc \)

Answer:

b. Addition
a. Multiply both sides by b