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**Introduction**

**Equation: a statement of equality which contains one or more unknown quality or variable ( literals) is called an equation**

**Linear Equation: an equation involving only linear polynomials is called a linear equation**

**Solution: a value of the variable which when substituted for the variable in on equation makes` L.H.S. =R.H.S.`is said to satisfy the equation and is called a solution or a root of the equation .**

**Solving an equation: solving an equation means determining its roots**

**Solving equations having variable terms on one side and number(s) on the other side**

**Transposition method**

**Solve : `(3t-2)/4 - (2t+3)/3 = 2/3 - t`**

**Solve : `2/5x -5/3x =1/15 `**

**Cross-multiplication method for solving equations of the form `(ax+b)/(cx+d) = m/n`**