Danny made a mistake in the following problem. the mistake was made in line only input the number of the first incorrect line. line 1 21 + 35 ÷ 7 + 6(2) line 2 21 + 5 + 6(2) line 3 21 + 11(2) line 4 21 + 22 line 5 43

Polygons efgh and e′f′g′h′ are shown on the coordinate grid: what set of transformations is performed on efgh to form e′f′g′h′? a. a translation 1 unit to the left followed by a 90-degree counterclockwise rotation about the origin b. a translation 1 unit to the right followed by a 90-degree counterclockwise rotation about the origin c. a 90-degree clockwise rotation about the origin followed by a translation 2 units to the right d. a 90-degree clockwise rotation about the origin followed by a translation 2 units to the left

What does x = in this equation x+3+2x=x+5

Ineed me i stuck and i don’t want to get it wrong