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Simplify the expression. (Remember the order of operations.)
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Q10: x + y = 0 <br>x -
Q38: <span class="ql-formula" data-value="x < - 3 \text
Q50: <span class="ql-formula" data-value="\begin{array} { l } \frac
Q77: <span class="ql-formula" data-value="\frac { \sqrt { 25
Q84: <span class="ql-formula" data-value="8 x - 7 \geq
Q85: <span class="ql-formula" data-value="x \geq 2"><span class="katex"><span class="katex-mathml"><math
Q109: -7x + 8y = 42 <br>2x +
Q165: <span class="ql-formula" data-value="f(x)=x^{3}+2"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>f</mi><mo stretchy="false">(</mo><mi>x</mi><mo
Q178: <span class="ql-formula" data-value="\frac { 5 } {
Q451: A bike road race starts at