How do you solve #18+ 4x = 172+ 3x#?

1 Answer
smendyka
Aug 27, 2017

See a solution process below:

Explanation:

Subtract #color(red)(18)# and #color(blue)(3x)# from each side of the equation to solve for #x# while keeping the equation balanced:

#-color(red)(18) + 18 + 4x - color(blue)(3x) = -color(red)(18) + 172 + 3x - color(blue)(3x)#

#0 + (4 - color(blue)(3))x = 154 + 0#

#1x = 154#

#x = 154#

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