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7/2x = 3 Multiply both sides by 2x: 7 = 3*2x = 6x Divide both sides by 6 = 7/6 = x ie x = 1.1666...
if 2x + y = 7, what is the value of y when x = 3?
It is an equation and the value of x is 1
7(2 + 2x) is 78 when x = 3. = 5,764,801.
It is: 2x squared +5x -7 = 0 and the value of x = -7/2 or 1