-13=a+7

Simple and best practice solution for -13=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 -13=a+7 equation:


Simplifying
-13 = a + 7

Reorder the terms:
-13 = 7 + a

Solving
-13 = 7 + a

Solving for variable 'a'.

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

Add '-1a' to each side of the equation.
-13 + -1a = 7 + a + -1a

Combine like terms: a + -1a = 0
-13 + -1a = 7 + 0
-13 + -1a = 7

Add '13' to each side of the equation.
-13 + 13 + -1a = 7 + 13

Combine like terms: -13 + 13 = 0
0 + -1a = 7 + 13
-1a = 7 + 13

Combine like terms: 7 + 13 = 20
-1a = 20

Divide each side by '-1'.
a = -20

Simplifying
a = -20

See similar equations:

| -0.2y=10 | | M/6=5/8= | | 8(4r-6)=176 | | 3/9*=12 | | 6x+4-2x+9= | | 5r+7=2+19 | | 3p/5=6 | | 4/7/5 | | 11y(y+2)-3=29 | | 2/10=t/45 | | x-7=5/6 | | -28=x+11 | | 3(2x-1)-2(x+4)=9 | | -7(v+2)+2v+6=5v+12 | | 70x-9-3x=17+67x-26 | | 6x+4y=130 | | 8+19y-4=6y+38-4y | | Solve-3x+5=7 | | 2x^4-18=4 | | 4(2x-5)-5(3x-4)=12 | | (x-7)=6(x+2) | | (3u+8)(5-u)=0 | | 95m+60=49.95m+25 | | -5.2/1.3 | | 9x-4y=-13 | | 8=-2+5f | | z-2/7=6 | | 5/6×=8 | | -3=y/5-8 | | -9=3i-9 | | 3=-3u-3 | | 20=9h+h |

Equations solver categories