Question

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chapter name - Linear equations

CBSE

try to solve all equations if you will give answer all I'll give Braniliest ​

final answer of 2 a) x = 8
b) x = 8 whole 1 /
C) x = 0
d) x = -6
e) x = -10
f) x = 10 whole 3/7

3) a) x = 12​

Answer 1

Answer:

a )

$\frac{2x + 9}{5} = 5 \\ 2x + 9 = 5 \times 5 \\ 2x + 9 = 25 \\ 2x = 25 - 9 \\ 2x = 16 \\ x = \frac{16}{2} \\ x = 8$

$\frac{7x - 2}{2} = \frac{5x - 3}{3} \\ 10x - 6 = 21x - 6 \\ 21x - 10x = 6 + 6 \\ 11x = 12 \\ x = \frac{12}{11}$

$\frac{3x - 11}{7} - 2 = 0 \\ 3x - 11 = 0 + 2 \times 7 \\ 3x - 11 = 14 \\ =3x = 14 - 11 \\ x = 3 \div 3 \\ x = 1$

$\frac{2x + 3}{3} = \frac{3x - 15}{11} \\ 22x + 33 = 9x - 45 \\ 22x - 9x = - 45 - 33 \\ 13x = - 78 \\ x = - 78 \div 13 \\ x = - 6$

$\frac{3(5x - 6)}{4} + \frac{2}{1} = 4x \\ \frac{15x - 18}{4} + \frac{2}{1} = 4x \\ 15x - 18 + 2 = 16x \\ x = 18 - 2 \\ x = 16$

$\frac{2(1 - 4x)}{5} - 9 = 3(2x - x) \\ \frac{2 - 8x}{5} - 9 = 6x - 2x \\ \frac{2 - 8x}{5} - 9 = 4x \\ 2 - 8x - 9 = 4x \times 5 \\ 2 - 8x - 9 = 20x \\ - 8x - 20x = 9 - 2 \\ - 28x = 7 \\ \frac{7}{ - 28} \\ \frac{1}{ - 4}$

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