If it's not what You are looking for type in the equation solver your own equation and let us solve it.
15=7u-4u
We move all terms to the left:
15-(7u-4u)=0
We add all the numbers together, and all the variables
-(+3u)+15=0
We get rid of parentheses
-3u+15=0
We move all terms containing u to the left, all other terms to the right
-3u=-15
u=-15/-3
u=+5
| 0.5x+5=2x+13 | | 9x-12=-77 | | ∑n=125(3n−2)∑n=125(3n−2)= | | p^2+6p-42=8 | | 34-x=3(x+6) | | 6a^2+5a-1=0 | | 2(8-5b)=3(9-4b) | | 2x+4x+5x=165 | | 8(b-2)=4(12+b) | | 12(7-y)=8(y-1) | | (4+3i)^2=7 | | 10(3+c)=6(c+13) | | 160x+50x+90x+40x=340 | | 8(c-6)=3(3c+10) | | 10(y+4)=5(3y-8) | | 611=n+9/7 | | 4x+10x+12x+6x+2x=170 | | 6-8z=0 | | 20-14=3(x-8) | | 3/4(x-3/4)=0 | | {x^2}/{0.10-x}=0.0000000158 | | -5n+12=-3n-12 | | 6(2x-5)=2(5x+3) | | 3x+5x+2x=70 | | 7v+3(7v)-6=10 | | 10(y-2)=3(y+5) | | 6v+3(6v)-6=10 | | x+7/5=2x+5/3 | | 2x+6x+4x=60 | | 7(b-3)=2(b+12) | | 5x+3(5x)-6=10 | | 0.18(y-5)+0.02y=0.10y-0.5 |