Question

Solve the following linear equations
(iii) 5p + 7 = 19 - 2p
(iv) 2x +2 by 3=5 by 2-x
(v)X by 2-5=X by 3-4
(vi)18-3y by 4= 11+y​

Answer 1

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1.) 5p + 7 = 19 - 2p

=> 5p + 2p = 19 - 7

=> 7p = 12

=> p = $\dfrac{12}{7}$

2.) $\dfrac{2x + 2}{3}$ = $\dfrac{5}{2-x}$

=> (2x + 2)(2 - x) = 3 × 5

=> 4x - 2x² + 4 - 2x = 15

=> -2x² - 2x + 4 = 15

=> -2x² - 2x - 11 = 0

=> -(2x² + 2x + 11) = 0

=> 2x² + 2x + 11 = 0