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Popular >

-4r+18=-2(8r)

Solution

- 4 r + 18 = - 2 (8 r)

Solution

r = - \frac{3}{2}

+1

Decimal Notation

r = - 1.5

Solution steps

- 4 r + 18 = - 2 (8 r)

Expand

- 2 (8 r) : - 16 r

- 4 r + 18 = - 16 r

Move

18

to the right side

- 4 r = - 16 r - 18

Move

16 r

to the left side

12 r = - 18

Divide both sides by

12

r = - \frac{3}{2}

Popular Examples

factor 2x^4-15x^3+11x^2+78x-40 factor

2 x^{4} - 15 x^{3} + 11 x^{2} + 78 x - 40

x^{2} - 4 x - 11 = 0

factor m^2-15mn+50n^2 factor

m^{2} - 15 mn + 50 n^{2}

simplify 2*1 simplify

2 \cdot 1

simplify (3+4i)(3-4i)simplify

(3 + 4 i) (3 - 4 i)

Frequently Asked Questions (FAQ)

What is the answer to -4r+18=-2(8r) ?
The answer to -4r+18=-2(8r) is r=-3/2
Solve for r: -4r+18=-2(8r)
The solution is r=-3/2