ax+b=cx-d ; 2x+9=7x-1
asked Oct 2, 2011 in Algebra 1 Answers by anonymous

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5 Answers

2x + 9 = 7x - 1

10 = 5x

x = 10/5 = 2
answered Oct 3, 2011 by Battleaxe Level 6 User (23,120 points)

ax-cx=-d-b
x(a-c)=-d-b
x=-d-b/a-c
x=-1-9/2-7
x=-10/-5
x=2

answered Oct 15, 2012 by anonymous
simplify with like terms
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