Oh, what a happy little equation we have here! When we have 4x equals 5x, we simply need to remember that both sides should be equal. So, if we subtract 4x from both sides, we get x equals 0. It's all about finding that balance and making sure both sides of the equation are in harmony.
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4x - 10 + 5x = 719x = 81x = 9
5x - 18 = 4x + 7Add 18 to each side:5x = 4x + 25Subtract 4x from each side:x = 25
5x + 3 = 4xSubtract 3 from each side:5x = 4x - 3Subtract 4x from each side:x = -3
5x+12 = 4x-88 x = -100
5x + 14 = 95 - 4x 5x + 4x = 95 - 14 9x = 81 x = 81/9 x = 9