Question

Solve: 12z + 15 = 7z + 5​

Answer 1

$\sf \large { \underline{QUESTION}}:$

• Solve the equation : 12z + 15 = 7z + 5

$\sf \large { \underline{SOLUTION}}:$

$\sf \: 12 z \: + \: 15 \: = \: 7z \: + \: 5$

$\implies \sf \: 12z \: - \: 7z \: = \: 5 \: - \: 15$

$\implies \: \sf 5 z \: = \: - 10$

$\implies \sf \: z \: = \: \frac{ - 10}{5}$

$\implies \sf \: z \: = \: - 2$

$\sf \large { \underline{ANSWER}}:$

• The value of z is (-2) which is the required answer.