Question #78c75

1 Answer
Tony B
Feb 18, 2017

#x> -10#

Explanation:

Let the unknown value be #x#

Splitting the question into its component parts

3 more than:#" ..............."->?+3#
twice a number:#" .........."->2x+3#
is greater then:#" ..........."->2x+3>?#
negative seventeen:#" ...."->2x+3 > -17#

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Given: #2x+3> -17#

Subtract 3 from both sides

#2x+3-3 > -17-3#

But 3-3=0

#2x> -20#

Divide both sides by 2

#x > -10#

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