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const2013 [10]
3 years ago
13

7 = x + 12 A. -19 B. -5 C. 4 D. 5

Mathematics
2 answers:
Oduvanchick [21]3 years ago
6 0

x+12=7

x+12-12=7-12

x=-5

Elena L [17]3 years ago
5 0

You have to get "X" by itself so you subtract 12, 7-12 is -5 so "X" = - 5


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the equations y = –3x + 4 and 3y = –9x + 12 have infinitely many solutions. option B is correct.

<h3>What is the linear system?</h3>

It is a system of an equation in which the highest power of the variable is always 1. A one-dimension figure that has no width. It is a combination of infinite points side by side.

Condition for the parallel lines.

L1,  ax + bx + c = 0

L2, dx + ey + f = 0

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<h3>Which system of equations below has infinitely many solutions?</h3>

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Hence  y = –3x + 4 and 3y = –9x + 12 have infinitely many solutions.

Thus the option B is correct.

More about the linear system link is given below.

brainly.com/question/20379472

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  see below

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