Question

Soleve:
2^x+3 = 4^x-1​

Answer 1

Answer:

${2}^{x} + 3 = {4}^{x} - 1$

${2}^{x} = { ({2}^{2} )}^{x} - 1 - 3$

${2}^{x} = {2}^{2x} - 4$

${2}^{x} = {2}^{2x} - {2}^{2}$

•°•

$x = 2x - 2$

$2x - x = 2$

$x = 2$

Answer 2

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