If it's not what You are looking for type in the equation solver your own equation and let us solve it.
x in (-oo:+oo)
4*(10-(7*x)) = -100 // + 100
4*(10-(7*x))+100 = 0
4*(10-7*x)+100 = 0
4*(10-7*x)+100 = 0
140-28*x = 0
140-28*x = 0
140-28*x = 0 // - 140
-28*x = -140 // : -28
x = -140/(-28)
x = 5
x = 5
| 6(-2+7x)=-474 | | 4(5-7w)=-148 | | 2(4-2b)=-8 | | 9(-2)-6=3y | | 9(0)-6=3y | | 4(8+2b)=32 | | 7(-5+5d)=140 | | 6(-1+2d)=30 | | 2(-4-3m)=-32 | | 9(2)-6=3y | | 10x=20/12 | | .4x-0.003=5 | | 2(1+7a)=156 | | 4(2b+7)=92 | | 2(1+1a)=26 | | 3(4-4a)=36 | | 7(5w+8)=266 | | 3(7w+4)=96 | | -2(-2)=y | | -2(0)=y | | -2(2)=y | | 5(1+1d)=-20 | | 4(-5d-9)=64 | | -5=p+10 | | 6(2n-4)=0 | | 5(4-3t)=-40 | | .6x=.8+2.4 | | 6(-5t-1)=-336 | | 6(-6n-8)=96 | | 7(5t-4)=112 | | 5(-7t-6)=-170 | | 7(5k+4)=-7 |