Question

Indique a Incógnita de cada equação: a)2x-3=15 b) 4y=30-18 c)5z-6=z + 14

Answer 1

a) 2x - 3 = 15
2x = 15 + 3
2x = 18
x = $\frac{18}{2}$
x = 9

b) 4y = 30 - 18
4y = 12
y = $\frac{12}{4}$
y = 3

c) 5z - 6 = z + 14
5z - z = 14 + 6
4z = 20
z = $\frac{20}{4}$
z = 5

Espero ter lhe ajudado =)

Answer 2

a)
2x-3=15
2x=15+3
x=18/2
x=9

b)
4y=30-18
4y=12
y=12/4
y=3
 
c)
5z-6=z+14
5z-z=14+6
4z=20
z=20/4
z=5