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1. 4x+5x+6=9x+6
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pl mark me brainlistAcid gives off hydrogen ions when dissolved in water. Bases give off hydroxyl ion when dissolved in water.
It turns blue colour litmus paper into red. It turns red colour litmus paper into blue.
It has a sour taste. It has bitter taste and soapy to touch.
Its pH value ranges from 1 to 7. Its pH value ranges from 7 to 14.
Example: HCl, H2SO4 etc. Example: NaOH, KOH etc.
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Answer:here's your answers
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To add two or more monomials that are like terms, add the coefficients; keep the variables and exponents on the variables the same.
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