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butalik [34]
3 years ago
5

+

Mathematics
1 answer:
GalinKa [24]3 years ago
6 0

Answer:

36 votes

(2x7)-(3x1) Take each instruction separately, use brackets to separate their action  More

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Find the value for x 6x+3=2x-13 and find value of x for 15=6x-3
Vladimir79 [104]
6x+3=2x-13\ \ \ \ |subtract\ 2x\\\\
4x+3=-13\ \ \ \ |subtract\ 3\\\\
4x=-16\ \ \ \ |divide\ by\ 4\\\\
x=-4\\\\Solution\ is\ x=-4\\\\\\15=6x-3\ \ \ |add\ 3\\\\
18=6x\ \ \ |divide\ by\ 6\\\\
x=3\\\\Solution\ is\ x=3.Answer here
8 0
4 years ago
How do you find the lateral surface area of a pyramid? Please help. ):
adelina 88 [10]
The lateral area of a right pyramid can be calculated by multiplying half of the perimeter of the base by the slant height. This is summarized by the formula: LA 5 Ps. We can relate this formula to the square pyramid below and its net. The side length of the base of the pyramid is b, and the slant height is s.
6 0
3 years ago
Substitute 7x+2y = -14,x+y = 8
AysviL [449]
From second equation  y = 8 - x so

7x + 2(8 - x) = -14
5x = -14 - 16 = -30
x = -6

and y = 8 - -6 = 14

Answer x=-6,y=14
3 0
3 years ago
I'll give brainliest
erma4kov [3.2K]

Answer:

I think its D sorry if I get it wrong

Step-by-step explanation:

6 0
4 years ago
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Evaluate. -6-6x(-5)<br><br> Please help, would really appreciate it
sweet-ann [11.9K]
Order of operations so -6 × -5 = 30

-6 + 30 = 24 is the answer

Hope this helps!
8 0
3 years ago
Read 2 more answers
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