The four steps for solving an equation include the combination of like terms, the isolation of terms containing variables, the isolation of the variable and the substitution of the answer into the original equation to check the answer. The combination of like terms can also be referred to as simplifying. While this is not necessary as a first step, it is much easier to solve an equation when the terms are as simple as possible.
Continue ReadingA person should combine terms on either side of the equation before trying to solve. For example, if the equation is 2x + 4x = 24x, 2x and 4x should be added together before going any further. This makes the equation 6x = 24x. Isolating terms that contain variables involves getting the variable to one side of the equation. If the equation reads 2 + y = 46, y must stand alone on one side. The 2 must be subtracted from both sides so that the equation reads y = 44.
In some instances, the variable must be isolated, 6 = x/3 for example. Here, x/3 needs to be multiplied by 3 to get x by itself. Lastly, the answer should be plugged into the original equation to fact check. If 44 is put into 2 + y = 46, it would read 2 + 44 = 46, which is correct.
Learn more about AlgebraTo solve ln(e^2), a person can use a graphing calculator or can calculate by hand using substitution methods The final answer of ln(e^2) is 2.
Full Answer >In math, a dependent variable is one in an expression, equation or function that depends upon one or more other variables' values to determine its value. The dependent variable is usually isolated on one side of an equation. For example, "x" is the dependent variable in the equation x=y+1.
Full Answer >According to South Eastern Louisiana University, to solve for the x and y intercepts in a linear equation of the form y = mx + b, set one of the variables, either x or y depending on the desired intercept, equal to zero, and solve algebraically.
Full Answer >The graph of a linear equation forms a straight line, while a non-linear equation's graph does not form a straight line.Most equations can be graphed on a Cartesian coordinate plane using the variables x and y.
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