Помогите срочно плиз!!!!!!! 79+(89-n)=103 2)9z+3z-13=155. Created by Malika12345yyio. matematika-ru

Помогите срочно плиз!!!!!!! 79+(89-n)=103 2)9z+3z-13=155...

July 2022 2 14 Report

Помогите срочно плиз!!!!!!!
79+(89-n)=103
2)9z+3z-13=155

zhenyaM2002

Verified answer

79 + (89 - n) = 103
79 + 89 - n = 103
168 - n = 103
n = 168 - 103
n = 65
===============
79 + (89-65) = 103
79 + 24 = 103
103 = 103

9z + 3z - 13 = 155
12z = 155 +13
12z= 168
z=168 :12
z= 14
=================
9 * 14 + 3*14 - 13 = 155
126 + 42 - 13 = 155
168 - 13 = 155
155=155

1 votes Thanks 2

Malika12345yyio Сенкю

zhenyaM2002 it's a pleasure)

sabrinaoy

Verified answer

79+(89-n)=103
79+89-n=103
168-n=103
n=168-103
n=65
9z+3z-13=155
12z=155+13
12z=168
z=168:12
z=14

0 votes Thanks 0

Answers & Comments

Verified answer

Verified answer

7989 n103b9z3z 13155

pomogite srochno a49b 121esli a9401b252

velikie estestvo ispytateli

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