If it's not what You are looking for type in the equation solver your own equation and let us solve it.
54=2x+7x
We move all terms to the left:
54-(2x+7x)=0
We add all the numbers together, and all the variables
-(+9x)+54=0
We get rid of parentheses
-9x+54=0
We move all terms containing x to the left, all other terms to the right
-9x=-54
x=-54/-9
x=+6
| -8−9v=-10v | | 3x-2-5x=2x-9 | | 10+5w=3w | | 6n=8=2n=36 | | 3.6x-8=2.6x=4 | | 2(3x-6)=9(12-x) | | 2(x+8)=10x4 | | 2(1/3+x)=3x/2-4 | | 3(6x+7)=8x | | x6=56 | | 5x+x=108 | | 4-6x=77+14x | | Y=2x+7×=8 | | 3x+200÷5x+200=13÷21 | | -2x^2+20x+400=0 | | 4x+27=6 | | 4a-5=a+16 | | .6p+.5(40-p)=0 | | 4/5=x-2/5 | | 3(2x+5)+4x=5(2x-7)+3 | | 10x-4x+136=10x+52 | | 8=y/5.12+6 | | U/4-11=i | | -1/3(5x+3)=14 | | -5(2u+10)=(u-7) | | x/4=x/9+9/4 | | 2d+7=9. | | 200m-100m+58,200=61,500-200m | | 3y+12(2/5)=49 | | 6x4+4.8x5=11.8 | | -2p+7=5-(10+3) | | 8-12d=8d-56 |