Question

Solve x/3 – x/4 = 15​

Answer 1

Answer:

first you mark in brainlist answer and follow or thank

Step-by-step explanation:

x/3 – x/4 = 15

first you find that both LCM of 3.,4 is 12

4x- 3x / 12 = x / 12

x / 12=15

x = 15×12

x = 180

Answer 2

$\tt \large {\fbox{ \underline{ \underline{ \purple{Answer \: : }}}}} \\ \\ \\ \tt \: x \: = \: 180\\ \\ \\ \tt \large {\fbox{ \underline{ \underline{ \purple{Solution : }}}}} \\ \\ \\ \tt \large \purple{ \dfrac{x}{3} \: - \: \dfrac{x}{4} \: = \: 15 } \\ \\ \\ \tt \pink{ \frac{4x \: - \: 3x}{12} \: = \: 15 } \\ \\ \tt \pink{ 4x \: - \: 3x \: = 15 \: \times \: 12 } \\ \\ \tt \pink{ x \: = \: 180 } \\ \\ \\ \sf \underline{ lets \: verify \: our \: answer \: } \\ \\ \tt \orange{ l.h.s \: : \implies \dfrac{x}{3} - \frac{x}{4} } \\ \\ \tt \orange{ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \implies \frac{4(x) - 3(x)}{12} } \\ \\ \tt \orange{ \implies \: \frac{4(180) - 3(180)}{12} } \\ \\ \tt \orange{ \implies \: \frac{720 - 540}{12}} \\ \\ \tt \orange{ \implies \: \frac{180}{12} } \\ \\ \tt \orange{ \implies \: 15 } \\ \\ \\ \tt \: LHS =15 \\ \tt RHS \: = \: 15 \\ \\ \tt LHS = RHS \\ \\ \\ \tt Hence, verified\\ \\ \\ \tt \fbox\purple{ therefore \: \: the \: \: value \: \: of \: \: x \: \: = \: \: 180}$