Additional Mathematics 0606 / Equations, inequalities and graphs / 3.283.28: Solve for xxx in a given exponential expression0606/23/M/J/21 — Question 2 · 4 marksMark as done · Save for later · Show all solutionsGiven that y=2⋅7x−37x+19y = \dfrac{2\cdot 7^{x} - 3}{7^{x} + 19}y=7x+192⋅7x−3, find the value of xxx when y=30y = 30y=30.[4]▸ Answer▸ Official mark scheme← 3.27: Rationalise a surd denominator3.29: Quadratic inequality and enclosed area →
