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Trava [24]
3 years ago
8

1/7(x+21)=-6 answer ?

Mathematics
2 answers:
Talja [164]3 years ago
5 0
(1/7) Multiplied By x is 1/7x And (1/7) Multplied By Positive 21 is 3. So It Will Then Change To 1/7x + 3 = -6.
Subtract 3 From Both Sides. Then The Equation Changes To 1/7x = -9
Then Since (1/7) Basically Means To Divide You Would Multiply By 7 On Both Sides And Then x Would Equal -63!(:
Then Can Plug In -63 Where x Is To Check Your Work! Hope I Helped!
Sphinxa [80]3 years ago
4 0
\frac{1}{7}(x+21)=-6\\
x+21=-42\\
x=-63
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Does (-2x+y=6)+ (y-2x=4) have no solution?
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Assuming you are asking

does -2x+y=6 and y-2x=4 have a solution

look at them
rewrite first equation by switching x and y
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NO SOLUTION
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3 years ago
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