If it's not what You are looking for type in the equation solver your own equation and let us solve it.
x+(x+450)+(x+900)=2250
We move all terms to the left:
x+(x+450)+(x+900)-(2250)=0
We get rid of parentheses
x+x+x+450+900-2250=0
We add all the numbers together, and all the variables
3x-900=0
We move all terms containing x to the left, all other terms to the right
3x=900
x=900/3
x=300
| 4a-7=2a+3 | | 5s=905 | | d/7=-175 | | 11/6-5/8=n | | 10=r/29 | | 1/2(x+8)=-10 | | (x+3)/2=x+4 | | d7=-175 | | -5.5(2.8)x=30.8 | | 12=k/24 | | 112/14=19/n | | -1/3x+4=-2 | | 5x+43=7x+59 | | 3s+9=15 | | 112/14=n/19 | | 51=6x+-3 | | 6h=780 | | 1/2(4x-16)=-4(3x-2) | | 3(2y+7)=47 | | 15+-5.50p=196.50 | | 8/12=y/20 | | X-1+5x=34 | | 8x-4(x-9)=-(9x-16)+9(x-1) | | 55/11=60/n | | (x+2)/7=2 | | 55/11=n/60 | | 2x-17=6x+10 | | (70-2x)•(50-2x)=1836 | | 12(x+10)+3x=5 | | 34=b-1+5b | | 12/2=n/4 | | -8+4x=7,2 |