Question

pls solve the first and fifty one.... urgent​

Answer 1

Answer:

1: 2x+3=0

x= -3/2

I CAN'T  FIND Q51

Step-by-step explanation:

Answer 2

Step-by-step explanation:

$7 {}^{2x + 3} = 1 \\ = )7 {}^{2x + 3} = 7 {}^{0}$

By the law of exponents, if the bases are equal, the powers are also equal,

$=)2x + 3 = 0 \\ = )2x = - 3 \\ = )x = \frac{ - 3}{2}$

Hope it helps!

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