Question

Solve the following equation and verify: 15x + 4 = 19 ​

Answer 1

Answer:

15x + 4 = 19

15x = 19 - 4 = 15

x = 15/15 = 1

Thus the value of x is 1

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Answer 2

ᗩᑎՏᗯᗴᖇ

$15x + 4 = 19 \\ 15x = 19 - 4 \\ 15x = 15 \\ x = \frac{15}{15} \\ x = 1$

ᐯᗴᖇIᖴIᑕᗩTIOᑎ

$p(x) = 15x + 4 = 19 \\ x = 1(proved) \\ p(1) = 15(1) + 4 = 19 \\ 15 + 4 = 19 \\ 19 = 19 \\ lhs = rhs \\ hence \: verified$

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