If it's not what You are looking for type in the equation solver your own equation and let us solve it.
0.4(5x-15)=2.5x+3)
We move all terms to the left:
0.4(5x-15)-(2.5x+3))=0
We multiply parentheses
2x-(2.5x+3))-6=0
| 8+5(1+6m)=133 | | 5=12m+3 | | 9h=12+8h | | -6x-1=83 | | 9(n+3)-25=65 | | 81n2-16=0 | | 8,3x+1,3x=5,1,3x+7,3x | | 5x+102=12+(7x+12) | | 4x+6=112 | | 2-c=-6c+1 | | -7p+12=-8p+3 | | 2-5(x-3)/8=7 | | (17x-23)=(7x+2)+(7x+2) | | -15y+11+19y=-y-19 | | -3+1/2x=11 | | 3x-7+4x+3=3 | | 2/3b−2=10 | | 3n-6=-5n-30 | | -0.25x+-0.5+5=-x | | 4(2x-1)=10(x-3)* | | 11+8h=43 | | 9x^2+54x-56=0 | | 3(-2x+4)=-6(x-2) | | 3y+53=369 | | 14=-6+4(n+8) | | 23b−2=10 | | z(4-1/2)+4=1 | | x-(4-2x)=7(x-10 | | 18=-36+2x | | -2x=-36-18 | | 7x-13=-91 | | 9v+2=20 |