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Pre-Requisite Knowledge
- When in an equation, a number with a +ve sign goes to the other side of the equal symbol, the number becomes -ve.
- EG: 12 + x = 1 when shifting happens, it results to x = 1 - 12
- When in an equation, a number with a -ve sign goes to the other side of the equal symbol, the number becomes +ve.
- EG: -12 + x = 1 when shifting happens, it results to x = 1 + 12
- When in an equation there is a fraction, the denominator goes to other side and multiplies.
- EG: x/12 + 2 = 1, when it shifts happen, it results to x + 2 = 1 × 12
- Then its vice-versa with multiplication.
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2(x + 5) = 12 - 3x
2x + 10 = 12 - 3x
2x + 3x = 12 - 10
5x = 2
x =
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