What is x if #4=2/3x+9-1/3x#?

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Answer 1 · 2015-10-25T16:05:34

#x=-15#

Original Equation #4=2/3x+9-1/3x#

Multiply everything by #3# to remove the denominator

#(4*3) =(2/3*3*x)+(9*3)-(1/3*3*x)#

Rewrite the equation

#12=2x+27-1x#

Collect like terms

#12=1x+27#

Isolate x

#-15=1x#

#x=-15#