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notsponge [240]
3 years ago
13

Why is the solution to the following equation? x+(-21)=8

Mathematics
1 answer:
ANEK [815]3 years ago
8 0

Answer:

x = 29

Step-by-step explanation:

x+(-21)=8

29+(-21)=8      

29-21=8

x=29

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What is the slope between the points (8, -2) and (-7, 10)
lara [203]
Slope formula:
(y2-y1)/(x2-x1)

Substitute in the points into the slope formula.

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8 0
3 years ago
Write the equation that represents the line that goes through the point (5, -7) and has slope m=-3
RUDIKE [14]

Answer:

<u>y = -3x + 8</u>

Step-by-step explanation:

<u>Given :-</u>

Point on line = (5, -7)

Slope (m) = -3

<u>To find :-</u>

Equation of line

<u>Solving :-</u>

Using point-slope form of equation,

y - y₁ = m(x - x₁)

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<u>Solution :-</u>

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4 0
2 years ago
Solving simultaneous equation<br>a+b=7<br>a-b=3​
Lelu [443]

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Step-by-step explanation:

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Hope this helps!

3 0
3 years ago
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