Resposta:
9) x=24
10) X=13
11) X=20
12) X=19
14) X=1
Explicação passo a passo:
9) [tex]x = 24[/tex]
10) [tex]x = 1[/tex]
11) [tex]x = 20[/tex]
12) [tex]x = 19[/tex]
13) [tex]x = 1[/tex]
9) [tex]4x + 16 = 2x + 64[/tex]
[tex]4x - 2x = 64 - 16\\2x = 48[/tex]
[tex]\boxed{x = 24 }[/tex]
10) [tex]15x -1 = 2x + 12[/tex]
[tex]15x - 2x = 12 + 1\\13x = 13\\[/tex]
[tex]\boxed{x = 1}[/tex]
11) [tex]2\cdot (x + 1) = 42[/tex]
[tex]x+ 1 = \frac{42}{2} \\\\x = 21 - 1 \\[/tex]
[tex]\boxed{x = 20}[/tex]
12) [tex]5 \cdot (x-10) = 45[/tex]
[tex]x -10 = \frac{45}{5} \\\\x = 9+ 10[/tex]
[tex]\boxed{x = 19}[/tex]
13) [tex]3 \cdot (4x - 5) = -3[/tex]
[tex]4x - 5 = \frac{-3}{3} \\\\4x = -1 + 5\\\\4x = 4[/tex]
[tex]\boxed{x= 1}[/tex]
Copyright © 2024 ELIBRARY.TIPS - All rights reserved.
Lista de comentários
Resposta:
9) x=24
10) X=13
11) X=20
12) X=19
14) X=1
Explicação passo a passo:
Verified answer
Resposta:
9) [tex]x = 24[/tex]
10) [tex]x = 1[/tex]
11) [tex]x = 20[/tex]
12) [tex]x = 19[/tex]
13) [tex]x = 1[/tex]
Explicação passo a passo:
9) [tex]4x + 16 = 2x + 64[/tex]
[tex]4x - 2x = 64 - 16\\2x = 48[/tex]
[tex]\boxed{x = 24 }[/tex]
10) [tex]15x -1 = 2x + 12[/tex]
[tex]15x - 2x = 12 + 1\\13x = 13\\[/tex]
[tex]\boxed{x = 1}[/tex]
11) [tex]2\cdot (x + 1) = 42[/tex]
[tex]x+ 1 = \frac{42}{2} \\\\x = 21 - 1 \\[/tex]
[tex]\boxed{x = 20}[/tex]
12) [tex]5 \cdot (x-10) = 45[/tex]
[tex]x -10 = \frac{45}{5} \\\\x = 9+ 10[/tex]
[tex]\boxed{x = 19}[/tex]
13) [tex]3 \cdot (4x - 5) = -3[/tex]
[tex]4x - 5 = \frac{-3}{3} \\\\4x = -1 + 5\\\\4x = 4[/tex]
[tex]\boxed{x= 1}[/tex]