4x = 20
so you have to divide both sides with 4, so that makes
4x : 4 = x
20 : 4 = 5
x = 5
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4x = 72.divide both sides by 4x = 18
2y = 4x + 4y = 2x + 2
4x = 16Divide each side of the equation by 4:x = 4
3xy-4x + 15y-20 Sol: As there are no number are same. So -4x-3xy +15y-20 -------------------- -4x-3xy+15y-20
5x + 20 = 4x +30 5x - 4x = 30 - 20 x = 10