∆ on the Left;
x + 95 + 35 = 180°
x + 130 = 180°
x = 50°
In the middle:
50° + 63° + x= 180°
113° + x = 180°
x = 67°
∆ on the right:
67° + 85° + x = 180°
152 + x = 180°
x = 28°
The solution to the equation is x = 4
<h3>What are linear equations?</h3>
Linear equations are equations that have constant average rates of change. Note that the constant average rates of change can also be regarded as the slope or the gradient
<h3>How to determine the solution to the system?</h3>
A system of linear equations is a collection of at least two linear equations.
In this case, the equation is given as
(x + 20)/2 = 3x
Multiply both sides of the equation by 2
x + 20 = 6x
Subtract x from both sides of the equation
5x = 20
Divide both sides of the equation by 5
x = 4
hence, the solution to the equation is x = 4
Read more about equations at:
brainly.com/question/2972832
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Answer:
find H.c.f and l.c.m
x^2+3x+2 ,x^2+4x+4 and x^2-4
Steps To Solve:
-5(3 * -7 + 4y)
~Solve what's in parenthesis
-5(-21 + 4y)
~Distributive Property
105 - 20y
Hope This Helped! Good Luck!