-21=-19+r

Simple and best practice solution for -21=-19+r 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 -21=-19+r equation:


Simplifying
-21 = -19 + r

Solving
-21 = -19 + r

Solving for variable 'r'.

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

Add '-1r' to each side of the equation.
-21 + -1r = -19 + r + -1r

Combine like terms: r + -1r = 0
-21 + -1r = -19 + 0
-21 + -1r = -19

Add '21' to each side of the equation.
-21 + 21 + -1r = -19 + 21

Combine like terms: -21 + 21 = 0
0 + -1r = -19 + 21
-1r = -19 + 21

Combine like terms: -19 + 21 = 2
-1r = 2

Divide each side by '-1'.
r = -2

Simplifying
r = -2

See similar equations:

| 8n+5=45 | | 5(z-8)=10-2z | | -x-7=2x+11 | | p=6.9 | | 4=a+(-19) | | 27-n=28 | | 96=16y | | (5b-5)-2b(2b+4)=7 | | -9i-17=-12 | | -9=k-14 | | 3[6+x]=24 | | 3x-41=9x+31 | | 4.5xa=3 | | 3019.7506=29.6b | | (3x-1)=(2x+30) | | 6(20*y)= | | -32=v-15 | | n/4=-3/2 | | 2(x-7)-10=12-14x | | 2b^2-B-21=0 | | 679.1883=15.8b | | 15=41v | | (-4x^6)(8x^5)= | | 350=140x | | 3(2+u)-u=6+2(2+1) | | 0.5x+1.6=0.8x-0.2 | | Y=-3-24 | | 0.5x+1.6=0.8-0.2 | | 5r-4-6r-(-7)= | | 19x+3=17x+22 | | F(5)=6x+8 | | -3x+14=-12x+50 |

Equations solver categories