36+8=44
49+42=91
Therefore,if both equations are not equivalent, then 36+8 doesn't equal 49+42
96
455
42
10x + 7 = 4x + 49 6x + 7 = 49 6x = 42 x = 6
42
5x+49 = 8x+13 49-13 = 8x-5x 36 = 3x x = 12
49 x2 + 14x = -7 x2 + 14x + 49 = 42 (x + 7)2 = 42 x = -7 ± √42
They are equal. 7 squared is 7 x 7, which equals 49. 6 x 7 = 42, plus another 7 = 49.
1 + 4 + 16 + 25 + 36 + 49 = 131
49
49 plus 10 equals 59.
49 plus 7 equals 56.