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Construct 3 Equations Starting with X = − 2 - Mathematics

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Question

Construct 3 equations starting with x = -2

Sum

Solution

x = −2

Subtracting 2 from both sides,

x − 2 = − 2 − 2

x - 2 = -4 (i)

Again, x = -2

Multiplying by 6,

6 × x = -2 × 6

6x = -12

Subtracting 12 from both sides,

6x - 12 = -12 - 12

6x - 12 = -24 (ii)

Adding 24 to both sides,

6x - 12 + 24 = -24 + 24

6x + 12 = 0 (iii)

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Chapter 4: Simple Equations - Exercise 4.3 [Page 89]

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NCERT Mathematics [English] Class 7
Chapter 4 Simple Equations
Exercise 4.3 | Q 4.2 | Page 89
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