Solve the equation by substitution method.
To get b-2-3b=4. Then you substitute b into simplest to get, b=-3. Repeat the same process with a to get, a=-5. So your answer would be (-5, -3)
Answer:
A
Step-by-step explanation:
9 * 7 = 63
9 * 8 = 72
9 * 10 = 90
3.1
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2x+3y=160
-2x+7y=25 I hope that helps!!
