If it's not what You are looking for type in the equation solver your own equation and let us solve it.
13-4u=-3
We move all terms to the left:
13-4u-(-3)=0
We add all the numbers together, and all the variables
-4u+16=0
We move all terms containing u to the left, all other terms to the right
-4u=-16
u=-16/-4
u=+4
| (4x)°-(7x-1)°=131 | | -3(2c-5)=5 | | 2+4(2p+1)=8p+6 | | 11x-8=2(2x-11) | | (4x°)-(7x-1)°=131 | | C=5/9x(140-39) | | -5=y7 | | 18p=15p=18 | | 3|2x-7|+14=2 | | 8x+7+4x+2=45 | | X-5=-3x+42/6 | | 1b-6=18-3b | | 4d+12-8=2d+3+2d | | -8+4k=20 | | x-8.875=-17.875 | | 2.3e–6.2=3.8–3.7e | | 150x-(3100+7x+0.1x^2)=0 | | 2m+60=16 | | 7+3*x=19 | | 2/3h-25=115 | | 4x^2+16-9=0 | | 2g-+g+3=15 | | 19y+18=536 | | (4x)-(7x-1)=131 | | 5*^3√x=50 | | 5x+2+3x=8+7x+11 | | 150x-(3100+7x+0.1^2)=0 | | p3=−5p3=-5 | | (5y+5)+(4y+6)=83 | | 4(3x+8)=-3(6-2x | | 3(n-9)=-18 | | 5+3(x+2)=3x-4 |