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Grade 8 - Mathematics1.8 Solution of Simple Equations - VIII

 Example: Solve the equation 3x + 4(x-2) = 2(3x+4). Solution: Here the parenthesis in the equation should be removed first 3x + 4(x-2) = 2(3x+4) 3x + 4x - 8 = 6x + 8 7x - 8 = 6x + 8 Transposing 6x to L.H.S. and -8 to R.H.S., we have 7x - 6x = 8 + 8 x = 16 Verification: Substituting x = 16 in the equation L.H.S. Þ 3x + 4(x-2) = 3*16 + 4(16-2) 48 + 56 = 104 R.H.S. Þ 2(3x+4) = 2(3*16 + 4) = 2(48+4) 2(52) = 104 \ L.H.S. = R.H.S. \ x = 16 is the solution. Answer: 16 Directions: Solve the following equations. Also write at least five examples of your own.

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Grade 8 - Mathematics1.8 Solution of Simple Equations - VIII

 Q 1: Solve the euqation 2x - 3(x-4) = 2(3x-8).4367 Q 2: Solve the euqation 6x + 1(x-7) = 3(3x-3).9613 Q 3: Solve the euqation 6x + 6(2x+3) = 2(3x+2).9-7/61615 Q 4: Solve the euqation 4x + 5(x-2) = 2(4x+5).20151610 Question 5: This question is available to subscribers only! Question 6: This question is available to subscribers only!