When x = 5, 12x = 12*5 = 60.
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12x + 17 = 7 Subtract 17 from both sides: 12x = -10 Divide both sides by 12: x = -10/12 = -5/6
Ill show you some examples: Ex. 1:3x + 4 - x + 16 + 12x(4 + 16) + 3x - x +12x20 + 2x + 12x20 + 14xEx. 2:15 - 12x + 4 - 2 + 6x(15+4-2) - 12x + 6x(19-2) - 12x + 6x17 - 18xTo solve these problems, first group like numbers. Then solve the problem until you can't solve anymore!
4x2 is 8+ 12x + 3 collect like terms, 8+3= 11, 12x+11 to solve for x, transpose the 11 to the other side of the = sign, 12x=-11, divide by 12, x=-11/12
This is not an inequality. This is an equation.12x+7=43 12x=36 x=3
An equation demonstrates the equality of two expressions. x2+12x+13 is only one expression. For example, x+y : expression, not equation x+5 = 3 : equation