Algebra 1MediumAlgebra & Manipulation ShareAlgebra & Manipulation · Medium problemSolve for xxx: 4(2x+4)+21=1(2x+1)4(2x + 4) + 21 = 1(2x + 1)4(2x+4)+21=1(2x+1).Check Show answer Walk through it step by step Practice more like this Review this concept