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

Can someone help please

Lichens look like moss. But they're actually two organisms-usually fungi and algae-that live together in mutualistic relationship. The fungi provide sheltered p

Write the formula for each compound a. Chromium(III) sulfite b. Magnesium hypochlorite c. Nickel(II) nitrate hexahydrate

Two complex numbers have a sum of 14 and a product of 74. Write either of the two numbers.

During a sale, CDs that normally cost $6.98 each were priced at 2 for $12.50. Pete bought 4 CDs at the sale price. How much money did he save by buying the 4 CD

Solve for x. Round to the nearest tenth of a degree, if necessary.

Ruby is studying the mean waist size of all students attending her college. She collects data from the 25 students in her statistics class. Which type of sampli

Who was the Arab general who conquered the sindh of India

state five reason why hand tools should be properly maintained

Which among the following has a neutral connotation? A.Foreign B.Exotic C.Strange D.Outlandish