-4(r+2)=-78

Simple and best practice solution for -4(r+2)=-78 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 -4(r+2)=-78 equation: 


Simplifying
-4(r + 2) = -78

Reorder the terms:
-4(2 + r) = -78
(2 * -4 + r * -4) = -78
(-8 + -4r) = -78

Solving
-8 + -4r = -78

Solving for variable 'r'.

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

Add '8' to each side of the equation.
-8 + 8 + -4r = -78 + 8

Combine like terms: -8 + 8 = 0
0 + -4r = -78 + 8
-4r = -78 + 8

Combine like terms: -78 + 8 = -70
-4r = -70

Divide each side by '-4'.
r = 17.5

Simplifying
r = 17.5

See similar equations:

| 3m^2+13m+6= | | 28=7x+4-4x | | 7x+2=8+x | | 10(7p+12)+15=630 | | 1/4-2/3y=3/4-1/3y | | 1/4-2/3y=3/4-1/3t | | 5(3+2x)-4=71 | | x+-54=102 | | 9b+5=41 | | 11+2y-5y=-38 | | 600=(40-2x)(30-2x) | | u^2-6u-9=0 | | -5x-8=2(x+10) | | y=.666667*0+4 | | (5a-3)-(8a-6)a=-11 | | -3(1b-8)-5=9(1b+2)+1 | | -3+5x+2x=67 | | 6=m(2)+3 | | -x^2+196=0 | | -101=5x+5x+9 | | 45.60+0.10t=56.70 | | -12mm-(-15mm)= | | 2x+6+5x=62 | | 125x^2-100x+20=0 | | 31=5x-x-1 | | w=-275t+1925 | | -3=m(-5)+3 | | 6+2x+2x=38 | | 81x^2+126z+49=0 | | -110/-11+11 | | 14=2(s+15) | | 5(-4)+8(4)= |

Equations solver categories