Question

5=-25+8a+4
con comprobación por favor​

Answer 1

5 = -21 + 8a

26 = 8a

26/8 = a

13/4 =4

Answer 2

5 = -25 + 8a + 4

5 + 25 - 4 = 8a

30 - 4 = 8a

26 = 8a

26/8 = a

13/4 = a

COMPROBACIÓN

5 = -25 + 8a + 4

$5 = -25 + 8a +4\\\\5 = -25 + 8(\frac{13}{4}) + 4\\ \\5 = -25 + 2(13) + 4\\\\5 = -25 +26 + 4\\\\5 = 1 + 4\\\\5 = 5$

Eternamente axllxa