Q49: If <span class="ql-formula" data-value="x>4"><span class="katex"><span
Q50: <span class="ql-formula" data-value="3 \mathrm{x}+2+2 \mathrm{x}=6 \mathrm{x}+3-\mathrm{x}"><span class="katex"><span
Q51: Evaluate the algebraic expression under the
Q52: <span class="ql-formula" data-value="|\mathrm{x}-9|=-6"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi mathvariant="normal">∣</mi><mi
Q53: <span class="ql-formula" data-value="-2 y+5=1-10 y"><span class="katex"><span class="katex-mathml"><math
Q55: From a point on a straight road,
Q56: Paul notes that if <span
Q57: A triangular lake front lot has a
Q58: <span class="ql-formula" data-value="2 \mathrm{x}-7=2 \mathrm{x}+1"><span class="katex"><span class="katex-mathml"><math
Q59: Simplify, where possible<br>- <span class="ql-formula" data-value="-9(2