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11Alexandr11 [23.1K]
3 years ago
11

EASY POINTS AND PLEASE HELP ASAP!!! WILL MARK BRAINLIST! ;)

Mathematics
1 answer:
Evgesh-ka [11]3 years ago
3 0

Step-by-step explanation:

1.

- 2(3x + 7) = 32 - 4x \\ distribute \\  - 2 \times 3x =  - 6x \\  - 2 \times 7 =  - 14 \\  - 6x - 14 = 32 - 4x \\ add \: 4x \: to \: both \: sides \\  - 6x + 4x = 32 - 4x + 4x \\  - 2x = 32 \\ divide \: by \:  - 2 \\   \frac{ - 2x}{ - 2}  =  \frac{32}{ - 2}  \\  \\ x =  - 16

2.

4x + y = 3 \\  y =  - 4x + 3 \\ using \: point \: slope \: form \\ y - y1 = m(x - x1) \\ y + 6 =  - 4(x + 4) \\ y + 6 =  - 4x - 16 \\ y =  - 4x - 22

First equation: Your equation is given.

Second equation: Distribute by multiplying every number in the parentheses by the number outside it.

3rd equation: Combine like terms by adding 4x to both sides.

4th equation: Combine like terms by subtracting 14 from both sides.

5th equation: Divide both sides by -2, the coefficient of x.

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