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Popular >

4=21(3x+4)

Solution

4 = 21 (3 x + 4)

Solution

x = - \frac{80}{63}

+1

Decimal

x = - 1.26984 \dots

Solution steps

4 = 21 (3 x + 4)

Switch sides

21 (3 x + 4) = 4

Divide both sides by

21

3 x + 4 = \frac{4}{21}

Move

4

to the right side

3 x = - \frac{80}{21}

Divide both sides by

3

x = - \frac{80}{63}

Graph

Popular Examples

9 x + 44 + 6 x + 3 = 77

x/8+x/5 =17-x/(10)

\frac{x}{8} + \frac{x}{5} = 17 - \frac{x}{10}

solvefor y,6x+15y=225 solve for

y, 6 x + 15 y = 225

(x+5)/2+(x-3)/3 =3 1/6

\frac{x + 5}{2} + \frac{x - 3}{3} = 3 \frac{1}{6}

3 x + 1 = 2 x + 6

Frequently Asked Questions (FAQ)

What is the answer to 4=21(3x+4) ?
The answer to 4=21(3x+4) is x=-80/63
Solve for x: 4=21(3x+4)
The solution is x=-80/63