-7(5r+3)+9(10R+7)=

Simple and best practice solution for -7(5r+3)+9(10R+7)= 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(5r+3)+9(10R+7)= equation:


Simplifying
-7(5r + 3) + 9(10R + 7) = 0

Reorder the terms:
-7(3 + 5r) + 9(10R + 7) = 0
(3 * -7 + 5r * -7) + 9(10R + 7) = 0
(-21 + -35r) + 9(10R + 7) = 0

Reorder the terms:
-21 + -35r + 9(7 + 10R) = 0
-21 + -35r + (7 * 9 + 10R * 9) = 0
-21 + -35r + (63 + 90R) = 0

Reorder the terms:
-21 + 63 + 90R + -35r = 0

Combine like terms: -21 + 63 = 42
42 + 90R + -35r = 0

Solving
42 + 90R + -35r = 0

Solving for variable 'R'.

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

Add '-42' to each side of the equation.
42 + 90R + -42 + -35r = 0 + -42

Reorder the terms:
42 + -42 + 90R + -35r = 0 + -42

Combine like terms: 42 + -42 = 0
0 + 90R + -35r = 0 + -42
90R + -35r = 0 + -42

Combine like terms: 0 + -42 = -42
90R + -35r = -42

Add '35r' to each side of the equation.
90R + -35r + 35r = -42 + 35r

Combine like terms: -35r + 35r = 0
90R + 0 = -42 + 35r
90R = -42 + 35r

Divide each side by '90'.
R = -0.4666666667 + 0.3888888889r

Simplifying
R = -0.4666666667 + 0.3888888889r

See similar equations:

| 1x+1y=6.60 | | 36(11/16)+36(5/26)=c | | 4(1-x)=2(x-1) | | 3(m+7)=4m-1 | | 4y+9/3-7=-18 | | 8-3n=5*8 | | 2x/39/3=8-3x | | .3(3z+7)+1.9=.5(3z-4) | | 3xy+4x=12 | | 4r-9(1-6r)=-5r+6(10r-2) | | 4(1-6)=2(-6-1) | | y=x(3x-6) | | 8-5y+22=-5y-30 | | 4(1+x)=2(x-1) | | 10+7z=31 | | t^3-5t+2=0 | | 105=7x+7 | | 15x-8=-21-8 | | -4=w/2+15 | | M+0.625=3.375 | | 1/7x+9=15-5 | | (.5)x+1=(1.5)x-8 | | .3x-2=.1(x+20) | | x^2-7x+120=180 | | 3(g-1)=6(g-1.5) | | 123*11.41*8.9= | | 4-6x=3x+6-9x | | 7x^2+8=7 | | -9=t/3+(-1) | | 12m+4=7(m+1) | | 11-x*2=8+x | | a=w(20-w) |

Equations solver categories