Question 19715
x+4=-1
x+4-4=-1-4
x=-5
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5b=-25
{{{5b/5=-25/5}}}
{{{b=-5}}}
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3x+4=13
3x+4-4=13-4
3x=9
{{{3x/3=9/3}}}
x=3
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5(x-2)=15
{{{5(x-2)/5=15/5}}}
x-2=3
x-2+2=3+2
x=5
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x+8=3(x-4)
x+8=3x-12
x-3x=-12-8
-2x=-20
{{{(-2x)/(-2)=(-20)/(-2)}}}
x=10