Question

Solve 15[x-4] -2[ x-9+5[x-6] =0 ​

Answer 1

$15(x-4)-2(x-9)+5(x-6)=0\\15x-60-2x+18+5x-30=0\\15x+5x-2x-60-30+18=0\\18x-72=0\\18x=72\\x=\frac{72}{18} \\\boxed{x=4}$

Answer 2

$\huge{\text{\underline{\underline{\red{Solution:-}}}}}$

$\sf{\large{15(x - 4) - 2(x - 9) + 5(x - 6) = 0}}$

$\sf{\large{15x - 60 - 2x + 18 + 5x - 30 = 0}}$

$\sf{\large{15x + 5x - 2x - 60 - 30 + 18 = 0}}$

$\sf{\large{18x - 72 = 0}}$

$\sf{\large{18x = 0 + 72}}$

$\sf{\large{18x = 72}}$

$\sf{\large{x = \frac{72}{18} }}$

$\sf{\large{x = 4}}$

$\huge{\bf{\fbox{\fbox{\blue{Therefore\:x=4}}}}}$

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