Answer:
3x - 4 = 32
Step-by-step explanation:
We solve for x to find the number (knowing that x is the unknown number).
3x - 4 = 32
3x = 32 + 4
3x = 36
x/3 = 36/3
x = 12
Step-by-step explanation:
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Step-by-step explanation:
solve simultaneously
subtract the 2 equations like you subtract pure numbers from each other.
5x + 2y = 12
3x + 2y = 8
5x - 3x +2y - 2y = 12 - 8
2x = 4
x = 2
alternatively...
3x + 2y = 8
5x + 2y = 12
-2x = -4
x = 2.
Answer:
The answer is sides are congruent by the reflexive property
Step-by-step explanation:
The answer is sides are congruent by the reflexive property because the two red lines on the triangles represnt that they are congruent. The reason teh fourth one can be a correct answer, but it is not, is because the angles are not vertical. The angles would hav eto be in teh middle of the triangle and congruent, to be right. So it is a reflexive property.
Sorry for any gramatical or spelling mistakes!