5y+1.8=4y-3.2?

0 ⤊

solve the equation

2007-02-09 05:20:00 · 4 answers · asked by sillyrainbow@sbcglobal.net 1 in Science & Mathematics ➔ Mathematics

5y + 1.8 = 4y - 3.2

5y + 1.8 - 4y = 4y - 3.2 - 4y

y + 1.8 = - 3.2

y + 1.8 - 1.8 = - 3.2 - 1.8

y = - 5

- - - - - - - -- s-

2007-02-09 05:38:32 · answer #1 · answered by SAMUEL D 7 · 0⤊ 0⤋

You have to isolate the variable
5y-4y=-3.2-1.8
1y=-50
y=50

2007-02-09 05:25:45 · answer #2 · answered by Please Help 1 · 0⤊ 0⤋

5y - 4y = -3.2 - 1.8
y = - 5

2007-02-09 05:33:00 · answer #3 · answered by Como 7 · 0⤊ 0⤋

deduct -4y and 1.8 from both side you will get the answer

2007-02-09 05:30:36 · answer #4 · answered by san 3 · 0⤊ 0⤋