If it's not what You are looking for type in the equation solver your own equation and let us solve it.
12.5-y=7.8
We move all terms to the left:
12.5-y-(7.8)=0
We add all the numbers together, and all the variables
-1y+4.7=0
We move all terms containing y to the left, all other terms to the right
-y=-4.7
y=-4.7/-1
y=4+0.7/1
| 10x-8+5x=3(2x-9) | | 4z-5=2z+13 | | 87/38=65/x | | 4x-35=21 | | 12.5=y=7.8 | | 0.26-0.05x=0.15x-0.1 | | 8.2x-15.9=41.5 | | 4x-14=-8 | | 3x+9x+6x=72 | | 6(2/3x+4)=2 | | f+24=3f+2 | | 5(x-2)=4(2x+4) | | 12.5=y=78 | | 2(2x-+3)=x+9 | | (6x+80)=110 | | 46-8p=19= | | 60(x+45)=180 | | 15+7(x-2)=9x+13 | | 2(4x-3)=3(x+8) | | 29-g=13 | | 5+6n=4n+33 | | 4y+16=42-2y | | 0.2x+0.7=0.4x-0.9 | | -2+5v=3(v-5) | | 5-8x=-107 | | 5x^2+20x-16=0 | | 7n-6=4n+15 | | 6=2/3r | | 5n-3=3n+15 | | 8n+9=6n+22 | | 7+8x-4=10x-15 | | 6x=-4x+80 |