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SpyIntel [72]
3 years ago
13

Simplify (4x+7)-(-3x-9)+9x-28

Mathematics
1 answer:
MrRissso [65]3 years ago
8 0

Answeriadk

Step-by-step explanation:

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3 years ago
Solve 8x+2y=13 and 4x+y=11 using substitution
Aleonysh [2.5K]

Answer:

No Solution

Step-by-step explanation:

8x+2y=13                         4x+y=11               Subtract 4x on both sides to isolate y

                                        y=-4x+11       <---- Substitute this equation into the                                            

                                                                     equation 8x+2y=13

8x+2(-4x+11)=13

8x-8x+22=13

22=13 (not true)

No Solution          

                     

4 0
3 years ago
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