Question

3 (15-4x) +5(3x-7)= 15

Answer 1

hey here is ur answer

$3(15 - 4x) + 5(3x - 7) = 15 \\ \\ 45 - 12x + 15x - 35 = 15 \\ \\ 10 + 3x = 15 \\ \\ x = \frac{15 - 10}{3 } \\ \\ x = \frac{5}{3 }$
I hope this helps you

Answer 2

Heya mate...!!!
$3 \times 15 - 3 \times 4x + 5 \times 3x - 5 \times 7 = 15 \\ 45 - 12x + 15x - 35 = 15 \\ 10 + 3x = 15 \\ 3x = 15 - 10 \\ x = 5 \div 3$