7+8r-7=2(-2-r)+3(1+3r)

Simple and best practice solution for 7+8r-7=2(-2-r)+3(1+3r) 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+8r-7=2(-2-r)+3(1+3r) equation:


Simplifying
7 + 8r + -7 = 2(-2 + -1r) + 3(1 + 3r)

Reorder the terms:
7 + -7 + 8r = 2(-2 + -1r) + 3(1 + 3r)

Combine like terms: 7 + -7 = 0
0 + 8r = 2(-2 + -1r) + 3(1 + 3r)
8r = 2(-2 + -1r) + 3(1 + 3r)
8r = (-2 * 2 + -1r * 2) + 3(1 + 3r)
8r = (-4 + -2r) + 3(1 + 3r)
8r = -4 + -2r + (1 * 3 + 3r * 3)
8r = -4 + -2r + (3 + 9r)

Reorder the terms:
8r = -4 + 3 + -2r + 9r

Combine like terms: -4 + 3 = -1
8r = -1 + -2r + 9r

Combine like terms: -2r + 9r = 7r
8r = -1 + 7r

Solving
8r = -1 + 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.
8r + -7r = -1 + 7r + -7r

Combine like terms: 8r + -7r = 1r
1r = -1 + 7r + -7r

Combine like terms: 7r + -7r = 0
1r = -1 + 0
1r = -1

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

Simplifying
r = -1

See similar equations:

| X=3y+m | | 4x/3-2=10 | | 2x-21+177=180 | | 22+(-14)= | | -2(7+-2)+5=x | | 2s-12-2s=4s-12 | | 1/4y-3=-18 | | 4x^5=40x^3-36x | | 4x^2-20x-7=0 | | 37=5x+12 | | 4c-9=3c+2 | | 5y-19=11+5y | | -3+5m=12 | | u(v+2)+w(v-3)=z(v-1)foru | | 2?3?2= | | u(v+4)+w(v-9)=z(v-1) | | -1+22x=-1 | | 3x+9=5x+13 | | ?64?6= | | 2x/5+9=-1 | | 2x/5+9=-9 | | 2x+3x-8=x+2 | | 9+3m=2 | | -1w+2=6w+3 | | 1/6s=-27 | | -3(6-x)=3 | | 6r+4r=5 | | 20x^2+22x+6=0 | | x(-2)=8 | | 18/63= | | -(5/4)2 | | 2x+30=4x-6 |

Equations solver categories