sa6maftimariana sa6maftimariana

10-06-2016
Mathematics

contestada

What is the value of a if (2a +3) - (4a-8)= 7

Respuesta :

Kunchan Kunchan

10-06-2016

( 2a + 3 ) - ( 4a - 8 ) = 7
2a + 3 - 4a + 8 = 7
-2a + 11 = 7
-2a = -4
a = -4 / -2
a = 2

Answer Link

Otras preguntas

(5y-12)+(-5y-1) Find the sum or difference.

Ahmed promises to sell his boat to mendel, and mendel promises to buy it from ahmed. what type of contract is this?

Find the area of this

Which if the following statements best explains why the plant life cycle is described as an "alternation of generations"?

7(c - 12)= -21 what is c?

What experiment did Robert Millikan do

Please need some help on this

Please help me .....Please and thank you

In 1956, more americans were working in offices in __________ jobs, out numbering _____ workers for the first time.

How do mass and speed affect kinetic energy?

good job