Как решить уравнение. 2(x+2)-4(x-3)=5x+9

2(x+2)-4(x-3)=5x+9 2x+4-4x+12=5x+9 4+12-9=-2x+4x+5x 7=7x x=7/7=1

2( x + 2 ) - 4( x - 3 ) = 5x + 9 2x + 4 - 4x + 12 = 5x + 9 - 2x + 16 = 5x + 9 5x + 2x = 16 - 9 7x = 7 x = 1