-15=a-7

Simple and best practice solution for -15=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 -15=a-7 equation:


Simplifying
-15 = a + -7

Reorder the terms:
-15 = -7 + a

Solving
-15 = -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.
-15 + -1a = -7 + a + -1a

Combine like terms: a + -1a = 0
-15 + -1a = -7 + 0
-15 + -1a = -7

Add '15' to each side of the equation.
-15 + 15 + -1a = -7 + 15

Combine like terms: -15 + 15 = 0
0 + -1a = -7 + 15
-1a = -7 + 15

Combine like terms: -7 + 15 = 8
-1a = 8

Divide each side by '-1'.
a = -8

Simplifying
a = -8

See similar equations:

| 8(3r+1)=21+(8r-5) | | -4(w-3)=-8w+28 | | -36=4k | | 5xy-3=2(3x+y) | | 8+z=0 | | 6x+18=3(2x+6) | | 216=96t-8t^2 | | 3x+2=3x+7 | | 0.54(24)+0.06x=0.18(24+x) | | 3(h+9)=4(5-3h)+22 | | -2x+9=-6-2x+15 | | 144x^2-144x=0 | | 3-9(x+5)-7=3+3(9-3x)-81 | | 6n-6=6n | | 3x+4(x+8)=46 | | -10-14v=-14v | | -56-(-21)+(-26)= | | 7x-2(3+4x)= | | 2+2x-6=x-4+x | | 3(h+9)=21+(8r-5) | | 39-(3x+12)=3(x+2)+x | | -4(3x-1)-3(4x+7)=-7(4x-10) | | (5+2)[6-(3+2)]= | | 3-10x=-78 | | 2v-8=-2 | | 2z^2-26=0 | | 8x^2+2x+21=0 | | 3-10b=-78 | | -4+12=x | | -10(-8x+9)-8x= | | 4x^2+12x-19=0 | | 3-7=6 |

Equations solver categories