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Ksju [112]
3 years ago
15

How do I do these 2? Explain in steps please!

Mathematics
1 answer:
BabaBlast [244]3 years ago
7 0
3x+6(846-x)=3846\\
3x+5076-6x=3846\\
-3x=-1230\\
x=410\\\\
\frac{1}{3}(6x-21)=-53\\
2x-7=-53\\
2x=-46\\
x=-23
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Which equation is true when r = 7 ?
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