david533358 david533358
  • 03-10-2019
  • Mathematics
contestada

what is the reason for each step in the solution of the equation 12-5x+6x=4

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theibette80
theibette80 theibette80
  • 03-10-2019
simplify :
12+-5x+6x=4
combine like terms :
-5x+6x=1x
12+1x=4
solving :
12+1x=4
solving for variable ‘x’
move all terms containing x to the left, all other terms to the right, add ‘-12’ to each side of the equation
12+-12+1x=4+-12
combine like terms:
then divide each side
your answer : x=-8
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