The first step to solve the given algebra of 2x - 1 - 7 = 9 is to; Add the number 7 to both sides of the equation
We are given the algebra equation;
2x - 1 - 7 = 9
Now, in algebra properties, there is what we call addition property, where when we add same number to both sides, it results in the same answer.
Thus, we add 7 to both sides of the algebra to get;
2x - 1 - 7 + 7 = 9 + 7
2x - 1 = 16
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