Simplifying algebraic expressions 7(-2r+6)
2 answers:
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Answer:
Given in figure ABCD:
∠ABD≅∠CBD
AB≅CB
To prove:
∠A≅∠C
Solution:
In the figure ABCD, we will first prove the Δ ABD and Δ CBD are congruent.
Thus the proof can be given as:
Statement Reason
1) Given
2) Given
3) Reflexive property of congruence (As the segment is congruent to itself)
4) S.A.S (Side Angle side)
5) Corresponding parts of congruent triangles are congruent.
Hence proved.
Answer:
x > -
Step-by-step explanation:
Given
10 - 2(3x + 4) < 11 ← distribute and simplify left side
10 - 6x - 8 < 11
2 - 6x < 11 ( subtract 2 from both sides )
- 6x < 9
Divide both sides by - 6, reversing the symbol as a result of dividing by a negative quantity.
x > ⇒ x > -