If it's not what You are looking for type in the equation solver your own equation and let us solve it.
21x+13+3x-1+4x=180
We move all terms to the left:
21x+13+3x-1+4x-(180)=0
We add all the numbers together, and all the variables
28x-168=0
We move all terms containing x to the left, all other terms to the right
28x=168
x=168/28
x=6
| -7+1=7-9v | | -4(3x-1)=6x-1 | | 20(2x+6)=5(4x+44) | | 28=-5-3m | | (x+3)(x-5)(x+9)=0 | | -17j=-153 | | -6(2x-1)=-198 | | 2(x+4)=−6 | | 5(x+5)=3x+9 | | 3p+45=27 | | 30p+5=65 | | 3x+1/2=15 | | -4=-4/3p-4/3p | | k/3+5=0 | | 6x-1=4x-6 | | n+16=-24 | | 13y=100 | | 2(3x-1)=6x+4 | | 2(3x-)=6x+4 | | 3(2x−14)+x=15−(−9x−5) | | j+-12=-5 | | 7(v+5)=-4(4v-5)+5v | | -2x+-8=2x+8 | | (x-5)+(3x+25)+x=180 | | -3y=-8-2y | | 1/3b=-1/2 | | H(n)=n+4 | | 2v-3+4(2v+1)=-2(v+1) | | 3(2x-1)=9(x=3) | | (x-5)+(3x+25)+x=360 | | 3(x-2=4x+5 | | 12x+(13x-19)-(11x-15=25-(17-13x) |