If it's not what You are looking for type in the equation solver your own equation and let us solve it.
3x+3+2x+1+9+12+15=90
We move all terms to the left:
3x+3+2x+1+9+12+15-(90)=0
We add all the numbers together, and all the variables
5x-50=0
We move all terms containing x to the left, all other terms to the right
5x=50
x=50/5
x=10
| -8(1-n)=8(n-7) | | P=x/5 | | 3x+3+2x+1=180 | | 3x+3+2x+1=15 | | -30=n(3n+21) | | 3x+3+2x+1=12 | | 3x+3+2x+1=9 | | F(c)=-2.5 | | 3y+6=-2y-9 | | -5(2m-4)=-5(1+7m) | | 29=0.5n(n+1) | | 2x+1+3x+3=90 | | 15x+4=10x-31 | | 3x-(x+7)=4 | | 6=-4/5f | | -7x+37=x-3(7x+5) | | -3(4-4n)=-8(2-2n) | | 7x2+4x+10=0 | | 2(x+5)=+8 | | 4(1-4x)+2x=24+6x | | (x)+(x+4)+(2(x+4)+2)=180 | | 2^x-3=5^2x-4 | | 7x-15=12x+16 | | 3x-x-7=4 | | -2(4x—1)-3x+5=-26 | | k-79=36 | | 8-8(3-n)=8(n-2) | | 8+x/8=x=3/8 | | -6x-12=-10 | | 414=3c | | 7x=+11-31 | | 18b+3=39 |