12=7-3x + 5x what's the answer

Question

Mathematics

Nina Obrien

29 July, 20:02

12=7-3x + 5x what's the answer

+4

Answers (2)

Know the Answer?

Sydnee Orr · Answer 1

Sydnee Orr 29 July, 22:46

0

12=7-3x+5x

12=7+2x

12-7=2x

5/2=x

Marcos · Answer 2

x = 5/2

Step-by-step explanation:

Add like terms, so that would be - 3x + 5x, which equals 2x. The equation should now look like this, 12 = 7 + 2x, then subtract the 7 from both sides, which gives you 5 = 2x. Then divide the 5 by 2, which gives u 5/2 as the x.