_{Algebra 1 unit 2 equations and inequalities answer key. Solve: for a linear equation, find the value of the variable; for a literal equation, isolate one variable in terms of the other variables. Evaluate: for a numerical expression evaluate the values following PEMDAS; if given the value of the variable, substitute the numerical value of the variable in for "x". Simplify: combine like terms. The area of the second rectangle can be found by multiplying the length, 7, by the width, 5. Thus the area of the first rectangle is 7(5)=35. In order to find the total combined area, students must add together the areas of both figures. Therefore, the total combined area is found as the expression 5x+35. 12. }

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