If it's not what You are looking for type in the equation solver your own equation and let us solve it.
-21=2(u+7)-7u
We move all terms to the left:
-21-(2(u+7)-7u)=0
We calculate terms in parentheses: -(2(u+7)-7u), so:We get rid of parentheses
2(u+7)-7u
We add all the numbers together, and all the variables
-7u+2(u+7)
We multiply parentheses
-7u+2u+14
We add all the numbers together, and all the variables
-5u+14
Back to the equation:
-(-5u+14)
5u-14-21=0
We add all the numbers together, and all the variables
5u-35=0
We move all terms containing u to the left, all other terms to the right
5u=35
u=35/5
u=7
| 8x=6x+48 | | k+8k=18 | | 90n^2+12n=0 | | 7x+2x,-4=-8+3*3x+2 | | 15j-10j=15 | | 3+2^1-x=0 | | 15j−10j=15 | | 6*x-2+4=6x-4 | | -4+3(-6n-1)=-2(-4+5)-2 | | 5x-(×+5)=7×+3 | | 2+5*(x+4)=17 | | -1+3(-4x+6)=-2(-7x-5)-3 | | 7x-5=3×+7 | | 9e+4=−5e+14+13e9 | | 5(3w+9)/3=-8 | | 9x^2+69x+42=0 | | 6+3•x=4-5•x | | 2(f-5)=-8 | | 15s−7=13s+13 | | y/9=11/17 | | (10-3x)+2=36 | | -9x+1=-9x+1 | | 6a-8a=-8a+5(8+9a) | | 2/12=9/x | | 2(4s+8)=88 | | 2-8(5-r)=-38 | | 55=5v+15 | | (2x-8)+(3x+9)=6x-3 | | 2x+5/2+2x-1/6=11 | | x=x+.07x | | x+1/6x=49 | | x*x+x=56 |