Seudónimo
Seudónimo
02-02-2016
Mathematics
contestada
Solve 2a + 21 = 8a - 9, step by step
Respuesta :
Аноним
Аноним
02-02-2016
2a + 21 = 8a - 9
Combine like terms.
2a + 21 = 8a - 9
-2a -2a
21 = 6a - 9
+9 +9
30 = 6a
6a/6 = 30/6
a = 5
Answer: a = 5
Answer Link
VER TODAS LAS RESPUESTAS ( 51+ )
Otras preguntas
Who is William lots garrison
who was a greater thinker and writer under the ming dynasty A. Wen cheng-ming B. Wang Yang-ming C. Zhu Yuanzhang D. Zheng He
How would you solve the following geometry problem?: ∆PQR, find the measure of ∡P. In Triangle PQR where angle Q is a right angle. QR measures 33 point 8; PQ m
Why was the Kingdom of Axum an important region on the Silk Road?
Square ABCD and square EFGH share a common center on a coordinate plane.EH is parallel to diagonal AC . Across how many lines of reflection can the combined fig
What is the name of a long letter like the ones Paul wrote to the people he had converted, answering their questions and settling problems? A. covenant B. Tor
If a tree diagram were drawn to determine the number of possible outcomes when choosing one of 3 shirts, one of 8 ties, and one of 4 jackets, how many leaves wo
in "summer" does this imply dread,enjoyment, respect or tolerance
Show that each algebraic fraction simplifies to the given expression. a) 2/x+1 + 5/x+2 = 3 simplifies to 3x² + 2x - 3 = 0 b) 3/4x+1 - 4/x+2 = 2 simplifies to 8
_____________ helped Argentinian people win independence from Spain.
