X 9.2 13.8 can someone show me how to solve this

Mathematics

2 answers:

allochka39001 [22]4 years ago

6 0

To solve for x try moving everything else to the otherside
in x - 9.2 = 13.8
there is a - 9.2 so to move it to the other side you add 9.2 to both sides of the equation
x -9.2 +9.2 =13.8 +9.2
the 9.2 cancel each other out which leaves
x = 13.8 +9.2
then you just add 13.8 +9.2 to find what x equals

kirill [66]4 years ago

3 0

X - 9.2 = 13.8

Take 9.2 to the other sides to isolate x

x - 9.2 +(9.2) = 13.8 + 9.2
9.2 and 9.2 cancels out

x = 23

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What is BC ? Enter your answer in the box. units

EleoNora [17]

Answer:

Step-by-step explanation:

I'll explain in detail for those of you that want to know.

You know that since angles B and C are congruent to each other that this triangle is an isosceles triangle. Therefore, sides AB and AC are congruent to each other because that is a property of an isosceles triangle.

To solve for x, place the expressions of sides AB and AC equal to each other and solve for the unknown variable.

4x + 1 = 2x + 23

You should get that x = 11.

Substitute x = 11 into the expression for side BC to solve for the length of that side.

f(11) = 3(11) - 8

f(11) = 25

Thus, length of side BC is 25 units.

Use this way of solving for all your future questions. It's really simple :)