9r-3=-7r-9

Simple and best practice solution for 9r-3=-7r-9 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 9r-3=-7r-9 equation:


Simplifying
9r + -3 = -7r + -9

Reorder the terms:
-3 + 9r = -7r + -9

Reorder the terms:
-3 + 9r = -9 + -7r

Solving
-3 + 9r = -9 + -7r

Solving for variable 'r'.

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

Add '7r' to each side of the equation.
-3 + 9r + 7r = -9 + -7r + 7r

Combine like terms: 9r + 7r = 16r
-3 + 16r = -9 + -7r + 7r

Combine like terms: -7r + 7r = 0
-3 + 16r = -9 + 0
-3 + 16r = -9

Add '3' to each side of the equation.
-3 + 3 + 16r = -9 + 3

Combine like terms: -3 + 3 = 0
0 + 16r = -9 + 3
16r = -9 + 3

Combine like terms: -9 + 3 = -6
16r = -6

Divide each side by '16'.
r = -0.375

Simplifying
r = -0.375

See similar equations:

| 18=2x+7 | | -0.4x=-0.8x+2 | | 5x+165=135+10x | | (8+3x)+(-5-x)= | | 8x-(2-3)=18 | | (-6x+7)-(x+2)= | | 12=2x+7 | | 24mn-16n=0 | | 100+7=15 | | 8+6y=32 | | 4x+8=72+5x | | 8(2x+3)=16x+4 | | (4x-4)(4x+6)= | | 5x+3y=13.00 | | 14x+7=28(2+x) | | a+2b=432 | | a=36-(49-3*5) | | 10x^2-15x+10=0 | | 14x+7=28(10+5x) | | v-16=-36 | | 14x+7=9(10+5x) | | a=25*2-(-16)*(-27) | | 14x+7=9(12+5x) | | -3=7y+64 | | -3x+3=3x+15 | | 144x3/4 | | 95+2x+90=y | | 1(5x+8)=6x+20 | | tanx=8/12 | | 83+7x-7=90 | | (p-3)x^2+px-2p+3=0 | | 253=-11n+10 |

Equations solver categories