If it's not what You are looking for type in the equation solver your own equation and let us solve it.
-3a-(-7a)=0
We simplify the equation to the form, which is simple to understand
-3a-(-7a)=0
Remove unnecessary parentheses
-3a+7a=0
We move all terms containing a to the left and all other terms to the right.
-3a+7a=0
We simplify left and right side of the equation.
+4a=0
We divide both sides of the equation by 4 to get a.
a=0
| 0.1x^2+0.5x^2-0.2x^2= | | 6(5z-1)-3(z+2)=20(z+1) | | 6-3=3x | | 12x+20=24x+8 | | (x-1)(x-3)=(x-2)(x+4) | | -0.1x-4.3=-6.1 | | -2x-36=21+x | | 12p-4=44 | | -.1x-4.3=6.1 | | 10+3(x-4)=2x | | 0.1x-4.3=6.1 | | -.01x-4.3=6.1 | | y=-7(2)+9 | | -14+5x=7x+22 | | -.4x+4.28=1.48 | | 8x+9=16+7x | | 196=2(w+2)+2w | | -6m+7=-29-3m | | 2+3x=3+2x | | 2+3x=3+2x | | U^2-3u-10=0 | | .05x-0.6=5.3 | | d-3=19 | | U^2-2u-35=0 | | 8+5x=3x | | .11x+57.99=58.54 | | 3/5(15y-5)=2(3-y) | | (-7v^2+4v-2)+(5v^2+6v+1)= | | -13=2x+(-3) | | 20a^2-16a= | | 2z=1.9+0.9 | | 6=2(x+3)+3(x+4) |