Question

4.(2x+3)+7=6x+39
Ayuda

Answer 1

4.(2x+3)+7=6x+39
8x+12 + 7 = 6x+39
8x + 19 = 6x+39
8x - 6x = 39-19
2x = 20
x= 20/2
x=10

verificacion:

4.(2x+3)+7=6x+39
4.(2(10)+3)+7=6(10)+39
4(20+3)+7 =60+39
4(23)+7 = 99
92 + 7 = 99
99 = 99

Answer 2

Solución: x = 10

Te adjunto procedimiento