4-a=7

Simple and best practice solution for 4-a=7 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for 4-a=7 equation:


Simplifying
4 + -1a = 7

Solving
4 + -1a = 7

Solving for variable 'a'.

Move all terms containing a to the left, all other terms to the right.

Add '-4' to each side of the equation.
4 + -4 + -1a = 7 + -4

Combine like terms: 4 + -4 = 0
0 + -1a = 7 + -4
-1a = 7 + -4

Combine like terms: 7 + -4 = 3
-1a = 3

Divide each side by '-1'.
a = -3

Simplifying
a = -3

See similar equations:

| (6x-2)-(-x+5)= | | 3n=18-3n | | 6x+34=-2(1-3x)+5 | | 4v+18=10 | | 3n+18-3n= | | 8y-10=30 | | 10=20v | | (-7x+1)+(4x-5)= | | 28+7j=42 | | ku+qu=r | | 20=3Y+-7 | | 12n+7(n-6)=-12(1-2n) | | 5b+13=-12 | | 5z+17=47 | | (5x+4)-(-8x-2)= | | 40-x+35=50 | | .4(x+2)-.6(x+2)=.2x-.4 | | 10-4i=-18 | | -(-10n+1)-9=1-3(n-5) | | 81x^5-64x^3=0 | | 3+8p=9+5p | | 1-16c=17 | | 15xsquared+16x-15=0 | | (x(1+i))(x(1-i))=0 | | 5u-9=-9 | | 21+3a=7-4a | | (x-1)(x(1+i))(x(1-i))=0 | | -17d-17=0 | | -4n=2(5-n) | | .4(x+2)-.6(x+2)=.2-.4 | | 11x-2+x-4=-4(4x-10)-3(3+3x) | | x+2=-x+20-4 |

Equations solver categories