If it's not what You are looking for type in the equation solver your own equation and let us solve it.
35+15+0.45x+0.55x=40
We move all terms to the left:
35+15+0.45x+0.55x-(40)=0
We add all the numbers together, and all the variables
x+10=0
We move all terms containing x to the left, all other terms to the right
x=-10
| 1.59x-0.79x=16 | | x+50/7=5 | | 2+0.8b=0.9b | | 6x+18=6+x | | 5(2x+9)=-44+39 | | 5(6x-8)=-100 | | 12-8=10x+6 | | -3-7(3a-8)=-115 | | -6(4n-7)=138 | | 3(2i+7)=6i+12 | | 55+12.5x=155 | | 3i+2i-7=18 | | x+3(6-6x)=103 | | 36=4m+4 | | 3i+5=2i-7 | | 3(2i-7)=15 | | 3i+5=2i-7=18 | | 3i+5=3i+7 | | (10x+6)+(8x+12)=180 | | 3(2i+7)=6i+21 | | 3^(4x-3)=6 | | -3c=-11 | | 12.2x+8=26x-47.2 | | 10x+5-6x=25 | | 6(2y+3=42 | | 3(3z-10)=-3 | | 3x(x-6)x+2x=3x+18+2x | | 4-5m=4-5m | | 0.4x+1.4=0.7x-0.1 | | 2/3x-122=1/3+5/6x | | 2x^2-21x+64=0 | | 4p2+6=246 |