3 years ago

I only need number 1 i don’t understand.

Mathematics

1 answer:

valentinak56 [21]3 years ago

5 0

Answer:

Step-by-step explanation:

in this problem there is A+b=15

A=9

B=12

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0 = 4x + 4 linear equation

FinnZ [79.3K]

Answer:

x = -1

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Equality Properties

Step-by-step explanation:

Step 1: Define

0 = 4x + 4

Step 2: Solve for x

Subtract 4 on both sides: -4 = 4x
Divide 4 on both sides: -1 = x
Rewrite: x = -1

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Harlamova29_29 [7]

Answer:

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Step-by-step explanation:

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