7-(-8)=x

Simple and best practice solution for 7-(-8)=x 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 7-(-8)=x equation:


Simplifying
7 + -1(-8) = x

Multiply -1 * -8
7 + 8 = x

Combine like terms: 7 + 8 = 15
15 = x

Solving
15 = x

Solving for variable 'x'.

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

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

Combine like terms: x + -1x = 0
15 + -1x = 0

Add '-15' to each side of the equation.
15 + -15 + -1x = 0 + -15

Combine like terms: 15 + -15 = 0
0 + -1x = 0 + -15
-1x = 0 + -15

Combine like terms: 0 + -15 = -15
-1x = -15

Divide each side by '-1'.
x = 15

Simplifying
x = 15

See similar equations:

| 7-(-6)=x | | 46-3x=4-7x | | 0.5x^2+6x+10=0 | | 0.5x^2-6x-10=0 | | ln(x)-2ln(x-4)=-ln(2) | | 3(1-x)+x=-x-2 | | log(x)+ln(x)=1.8 | | logx+lnx=1.8 | | 675+1= | | x-6=2-3.6 | | 2-ln(x^2)=0 | | 17x-6=15-4x | | -5-(-7)=x | | 7-2(x+4)=5 | | (2+3x)+16=2(x+16) | | 5+3x=-1+x | | -0.08(T-90)=0.09(T-7) | | 4x+18=12-46 | | x(y-4)=96 | | 4y+2x=-14 | | p(x)=-3x+4 | | n(x)=2x-11 | | 180(n-2)=540 | | 4x^3-39x-35=0 | | (21b-1)-5(4b+3)=-7 | | 6x^4+12x^2+4x+8=0 | | m(x)=5x+3 | | -3(5p+5)-2(4-14p)=3(2+4p) | | 1.25p=.75p+35 | | 8x-4-1= | | 3x+x-x=2 | | x-8*x+7= |

Equations solver categories