LadyHolmes67
03.02.2021 •
Mathematics
The value of x is?
(Simplify your answer)
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Ответ:
Step-by-step explanation:
1.) here,
let the number be x
=》15 = 6x + 3
=》6x = 15 - 3
=》x = 12 ÷ 6
=》x = 2
hence, the number is 2
2.) let the number be y
=》
=》
=》
=》
hence,the number is 30
3.) let the number be z
=》3z - 8 = -23
=》3z = -23 + 8
=》z = -15 ÷ 3
=》z = -5
hence, the number is -5