Additional Mathematics 0606 / Simultaneous equations and quadratics / 2.72.7: Logarithmic simultaneous equations0606/22/O/N/17 — Question 4 · 5 marksMark as done · Save for later · Show all solutionsSolve the simultaneous equationslog2(x+4)=2log2y\log_{2}(x + 4) = 2\log_{2} ylog2(x+4)=2log2ylog2(7y−x)=4\log_{2}(7y - x) = 4log2(7y−x)=4[5]▸ Answer▸ Official mark scheme← 2.2: Linear equations with surds2.10: Logarithmic equations reducing to linear form →