6+1+8(4)=4(4)r-7r

Solution for 6+1+8(4)=4(4)r-7r equation:

Simplifying
6 + 1 + 8(4) = 4(4) * r + -7r

Multiply 8 * 4
6 + 1 + 32 = 4(4) * r + -7r

Combine like terms: 6 + 1 = 7
7 + 32 = 4(4) * r + -7r

Combine like terms: 7 + 32 = 39
39 = 4(4) * r + -7r

Multiply 4 * 4
39 = 16r + -7r

Combine like terms: 16r + -7r = 9r
39 = 9r

Solving
39 = 9r

Solving for variable 'r'.

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

Add '-9r' to each side of the equation.
39 + -9r = 9r + -9r

Combine like terms: 9r + -9r = 0
39 + -9r = 0

Add '-39' to each side of the equation.
39 + -39 + -9r = 0 + -39

Combine like terms: 39 + -39 = 0
0 + -9r = 0 + -39
-9r = 0 + -39

Combine like terms: 0 + -39 = -39
-9r = -39

Divide each side by '-9'.
r = 4.333333333

Simplifying
r = 4.333333333