If it's not what You are looking for type in the equation solver your own equation and let us solve it.
7u+40=15u
We move all terms to the left:
7u+40-(15u)=0
We add all the numbers together, and all the variables
-8u+40=0
We move all terms containing u to the left, all other terms to the right
-8u=-40
u=-40/-8
u=+5
| 3(t-14)=15 | | 58-x=642 | | 493x=3432x+1 | | 16=12-2x | | Y=-8y-40 | | -5(-4n-1)=-2n+5 | | -2(-6+6x)=-120 | | -7(2x+8)=-14 | | 30-10x=2(2x-13) | | (4x)/3=20 | | 26j-4=6j | | -5-6=-2(1+3x) | | 5(x+4)=4x+25 | | 4q^2-4q+1=4q2−4q+1=0 | | 2(1+3m)=5-3(6m+9) | | −35=-7x | | 4(10-5x)=80 | | 4(10-5x)=8- | | K(3)=-2x+-4 | | 7+x-15=-2.666666666666667 | | -1-6x=-4+4.1x | | 5x-6(1+x)=-6-x | | 9^x-3^x-1=-2 | | 30=2(-4-7x)+8x | | 6d+9=21 | | 11=-11x | | (3x+10)+(9x−9)+(3x−16)=180 | | -3(7-6n)=-1+8n | | 19+7m=8(4m-7) | | 10x+5x+15=51.80 | | 7+x-15=-23/3 | | 5+2(3x+1)+11=6+3(3x+4)+2x |