Answer:
x=4
Step-by-step explanation:
−3x+5(x+3)=23
−3x+(5)(x)+(5)(3)=23
−3x+5x+15=23
(−3x+5x)+(15)=23
2x+15=23
2x+15−15=23−15
2x=8
2 2
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-50x^2+30x-4