3(x+1)+9=∆. If the equation has no solution, which expression can be written in the box on the other side of the equation?
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Step-by-step explanation:
3(x+1)+9 =∆
3x+3 +9= 180
3x+ 12 =180
3x =180-12
3x =168
x=168/3
x= 56
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