Respuesta:
a) 5
b) -4
c) 9
d) [tex]\frac{28}{-6}[/tex] (4.66666666667)
Explicación paso a paso:
a. 7x -15 = 20
7x = 20 +15
7x = 35
x = [tex]\frac{35}{7}[/tex]
x = 5
b. -5x -8 = 12
-5x = 12 +8
-5x = 20
x = [tex]\frac{20}{-5}[/tex]
x = -4
c. 4x -10 = 26
4x = 26 +10
4x = 36
x = [tex]\frac{36}{4}[/tex]
x = 9
d. -6x -18 = 10
-6x = 10 +18
-6x = 28
x = [tex]\frac{28}{-6}[/tex]
x = -4.66666666667
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Verified answer
Respuesta:
a) 5
b) -4
c) 9
d) [tex]\frac{28}{-6}[/tex] (4.66666666667)
Explicación paso a paso:
a. 7x -15 = 20
7x = 20 +15
7x = 35
x = [tex]\frac{35}{7}[/tex]
x = 5
b. -5x -8 = 12
-5x = 12 +8
-5x = 20
x = [tex]\frac{20}{-5}[/tex]
x = -4
c. 4x -10 = 26
4x = 26 +10
4x = 36
x = [tex]\frac{36}{4}[/tex]
x = 9
d. -6x -18 = 10
-6x = 10 +18
-6x = 28
x = [tex]\frac{28}{-6}[/tex]
x = -4.66666666667