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7x + 9 = 51 7x = 42 x = 42/7 = 6
Some operations cannot be done. For example, if we take the equation x=2/0, there is no result, because division by 0 is not defined.
In algebraic terms, the solution is the answer to equation.
Answer: ~27% (~ means approximately) Prob clarification: 42 is what % of 173 Prob definition: 42 = ?% of 173 Solution Method: 42 = % of 173 42 = % * 173 (divide both sides of the equation by 173 to get the next step) % = 42 / 173 (rearrange equation) % = 0.27167630057803468208092485549133 (to convert the 0.271.. decimal value into a %, you must multiple it by 100 in the next step) % = 0.27167630057803468208092485549133 * 100 % = 27.167630057803468208092485549133 % = ~27