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Sagot :
We will see how to evaluate one step equations. The following equation is given as follows:
[tex]x\text{ + 7 = 15}[/tex]A one-step equation is accompained by a ( single mathematical operation ). A mathematical operation can be classified into:
[tex]\text{Multiplication , Division, Addition, Subtraction}[/tex]We can use either of the above mathematical operations to solve for the variable ( x ) given in the equation.
We see that a constant ( 7 ) is added to the variable ( x ). We need to isolate our variable ( x ) on the left hand side of the " = " sign. To do that we will seek help of a " Subtraction " operation.
We will subtract the constant ( 7 ) on both sides of the equation as follows:
[tex]\begin{gathered} x\text{ + 7 = 15 } \\ x\text{ + 7 - 7 = 15 - 7} \\ \textcolor{#FF7968}{x}\text{\textcolor{#FF7968}{ = 8}} \end{gathered}[/tex]We have abotained a solution for the variable ( x ) using a single ( on-step ) mathematical operation as follows:
[tex]\textcolor{#FF7968}{x}\text{\textcolor{#FF7968}{ = 8}}[/tex]
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