2x 4 10 is not an equation.
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2x - 4 = -10 2x = -10 +4 2x = -6 x = -3
2x + 4 = 10 2x = 10 - 4 = 6 2x = 6 x = 6/2 = 3
7x + 4 = 2x + 5Subtract 4 from each side of the equation:7x = 2x + 1Subtract 2x from each side:5x = 1Divide each side by 5:x = 1/5 = 0.2
2x-6=4 6+4=2x 10=2x 10/2=x 5=x x=5
2x+4 = -16 2x = -16-4 2x = -20 x = -10