Solve for x. ax + b = r
x = r-b / a
x = b-r / a
x = a-r / b
x = b-a / r

A) x = (r - b)/a is your answer.

Step-by-step explanation:

Isolate the variable x. Note the equal sign, what you do to one side, you do to the other. Do the opposite of PEMDAS.

First, subtract b from both sides:

ax + b (-b) = r (-b)

ax = r - b

Next, isolate the variable (x). Divide a from both sides:

(ax)/a = (r - b)/a

x = (r - b)/a

A) x = (r - b)/a is your answer.

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x = (r - b)/a

Step-by-step explanation:

ax + b = r

Subtract b from both sides:

ax = r - b

Divide both sides by a.

x = (r - b)/a

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step-by-step explanation:

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step-by-step explanation: