If it's not what You are looking for type in the equation solver your own equation and let us solve it.
9x+2.5=7.9
We move all terms to the left:
9x+2.5-(7.9)=0
We add all the numbers together, and all the variables
9x-5.4=0
We move all terms containing x to the left, all other terms to the right
9x=5.4
x=5.4/9
x=3.85714285714/6.42857142857
| 4t-4=8.8 | | 4d+0.4=1.6 | | 9w-2=83 | | 9w=85 | | 2-9w=83 | | (1/5)m=4-(3/10)m | | 2x-2/3=1/3 | | 4-4z=12 | | -21x^2+35x=0 | | 2x+1/4=3 | | (t-2)^2=0 | | -21x^2-35x=0 | | 3(-4)(6)-2(6)(-9)=y | | 0.6y+4=1.4y-12 | | 1/4x-3=1/8x+1 | | -4x-8+5x=8-4 | | 1/2x-3=1/6x+5 | | 5x2-15x=0 | | 3=f3-1f-2 | | 5y(86-y)=86+4y | | -3x+75=35-2x | | -3(2x-4)+3x=4(7-x) | | -3x+5=35-2x | | 16x^2+60x-54=0 | | 1/2x-5=1/5x+4 | | 4y=6y+0 | | 4-2y=7+3y | | -5/4=-7/5x | | 4+1/2x=6 | | 8x^2+56x+96=0 | | 5a+4=-2a | | 5-3y=7+4y |