5x+3 = 3x+11 5x-3x = 11-3 2x = 8 x = 4
5x + 5 = 8 -3x 5x = 3 -3x 8x = 3 x = 0.375
2x -3
32-5x=3x+8 32-5x-8=3x+8-8 24-5x=3x 24-5x+5x=3x+5x 24=8x x=24/8=3
3x+7=5x-13 ----> 3x-5x=-13-7 ----> -2x=-6 -----> x=3
3x + 7 = 5x + 13 3x - 5x = 13 - 7 -2x = 6 -x = 3 x = -3
True.3x^4 + 4x^3 - 3x^4 + 5x + 1= 4x^3 + 5x + 1
Depending on how the problem is written. 2x + 3 - 5x + 10 -3x + 13 ■ Or... 2x + 3 - (5x + 10) -3x - 7 ■ I think you want the second answer.
5x+2.
2(3x + 4) + 5x - 2
By rearranging and combining similar terms. For example, 3x + 5x = (3+5)x = 8x.
3x - 7 = 5x + 133x - 5x = 13 + 7-2x = 20x = -10x=-3