How do you evaluate #3x + 6.5= 3.3#?

1 Answer
smendyka
Sep 4, 2017

See a solution process below:

Explanation:

This is a standard 2-Step equation:

Step 1: Isolate the Variable: Subtract #color(red)(6.5)# from each side of the equation to isolate the #x# term while keeping the equation balanced:

#3x + 6.5 - color(red)(6.5) = 3.3 - color(red)(6.5)#

#3x + 0 = -3.2#

#3x = -3.2#

Step 2: Solve for the Variable by Multiplying or Dividing Each Side of the Equation by the Appropriate Number: Divide each side of the equation by #color(red)(3)# to solve for #x# while keeping the equation balanced:

#(3x)/color(red)(3) = -3.2/color(red)(3)#

#(color(red)(cancel(color(black)(3)))x)/cancel(color(red)(3)) = (5/5 xx -3.2/3)#

#x = -16/15#

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