Sabendo que 2x+3y=4 E a-2b=3, o valor da expressao 2ax-4bx+3ay-6by e:
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Olá, novamente!
![\\ \mathsf{2ax - 4bx + 3ay - 6by =} \\\\ \mathsf{2x(a - 2b) + 3y(a - 2b) =} \\\\ \mathsf{(a - 2b) \cdot \left [ 2x + 3y \right ] =} \\\\ \mathsf{3 \cdot 4 =} \\\\ \boxed{\mathsf{12}}](https://tex.z-dn.net/?f=%5C%5C+%5Cmathsf%7B2ax+-+4bx+%2B+3ay+-+6by+%3D%7D+%5C%5C%5C%5C+%5Cmathsf%7B2x%28a+-+2b%29+%2B+3y%28a+-+2b%29+%3D%7D+%5C%5C%5C%5C+%5Cmathsf%7B%28a+-+2b%29+%5Ccdot+%5Cleft+%5B+2x+%2B+3y+%5Cright+%5D+%3D%7D+%5C%5C%5C%5C+%5Cmathsf%7B3+%5Ccdot+4+%3D%7D+%5C%5C%5C%5C+%5Cboxed%7B%5Cmathsf%7B12%7D%7D "\\ \mathsf{2ax - 4bx + 3ay - 6by =} \\\\ \mathsf{2x(a - 2b) + 3y(a - 2b) =} \\\\ \mathsf{(a - 2b) \cdot \left [ 2x + 3y \right ] =} \\\\ \mathsf{3 \cdot 4 =} \\\\ \boxed{\mathsf{12}}")
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