-30=-8r-7r

Simple and best practice solution for -30=-8r-7r 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 -30=-8r-7r equation:


Simplifying
-30 = -8r + -7r

Combine like terms: -8r + -7r = -15r
-30 = -15r

Solving
-30 = -15r

Solving for variable 'r'.

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

Add '15r' to each side of the equation.
-30 + 15r = -15r + 15r

Combine like terms: -15r + 15r = 0
-30 + 15r = 0

Add '30' to each side of the equation.
-30 + 30 + 15r = 0 + 30

Combine like terms: -30 + 30 = 0
0 + 15r = 0 + 30
15r = 0 + 30

Combine like terms: 0 + 30 = 30
15r = 30

Divide each side by '15'.
r = 2

Simplifying
r = 2

See similar equations:

| 3/4=a/20 | | f(12)=-3x+10 | | 2+2+7y-4=0 | | 22+3d=10 | | y=4r | | 2(7+2y)+y-4=0 | | -6x-103=107+x | | 7ln(7)-2ln(2)= | | 165=35-v | | 4.2x+2.1(950-x)=2583 | | (7-w)(3w-1)=0 | | 107=y+215 | | x-23=11+3x | | 6.5x+9=4 | | 1/x-2=36 | | -8(-8+3x)=88 | | M/4-2=10 | | 6+6(2a+8)=138 | | 7-5/6=2 | | 5x-2(x-5)=-6+5x+2 | | d-7/2 | | 3.4=p-2.3 | | 3d+5.25=32.22 | | 6y-12+10x=0 | | -3+6(5a+4)=141 | | 9(n-7)=8n | | 60=6x+1.33 | | 4x-5-x=10 | | -5(4x+6)=-90 | | 24*x-48-48*x+312=24-288-24*x | | d=3x-8 | | 9y-6=3(y+6) |

Equations solver categories