Genius Jnr - Verify by substitution that: (i) x = 4 is the root of 3x − 5 = 7 (ii) x = 3 is the root of 5 + 3x = 14 (iii) x = 2 is the root of 3x − 2 = 8x − 12 (iv) x = 4 is the root of 3x2=6 (v) y = 2 is the root of y − 3 = 2y − 5 (vi) x = 8 is the root of 12x+7=11

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Verify by substitution that:
(i) x = 4 is the root of 3x − 5 = 7
(ii) x = 3 is the root of 5 + 3x = 14
(iii) x = 2 is the root of 3x − 2 = 8x − 12
(iv) x = 4 is the root of

\frac{3 x}{2} = 6

(v) y = 2 is the root of y − 3 = 2y − 5
(vi) x = 8 is the root of

\frac{1}{2} x + 7 = 11

or

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