(19-5x)2=21

Simple and best practice solution for (19-5x)2=21 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 (19-5x)2=21 equation:


Simplifying
(19 + -5x) * 2 = 21

Reorder the terms for easier multiplication:
2(19 + -5x) = 21
(19 * 2 + -5x * 2) = 21
(38 + -10x) = 21

Solving
38 + -10x = 21

Solving for variable 'x'.

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

Add '-38' to each side of the equation.
38 + -38 + -10x = 21 + -38

Combine like terms: 38 + -38 = 0
0 + -10x = 21 + -38
-10x = 21 + -38

Combine like terms: 21 + -38 = -17
-10x = -17

Divide each side by '-10'.
x = 1.7

Simplifying
x = 1.7

See similar equations:

| 2/3-6•x= | | V+4.95=8.45 | | D/2-23=-10 | | X5/10 | | Y=-16x^2+30x | | =5x^2+40x-4 | | =5x^3+40x-4 | | 21=x-19 | | -11+9y=-12 | | 2/3-6x=-13/6 | | 77-2x=43x+7 | | -3n+-21+5=32 | | -6+x=21 | | N+9=-75 | | 2x^2-3x-13=0 | | K/4=-16 | | 2x-7(4-4x)=152 | | 18=6p+3 | | N+9=-15 | | 3/r2/h | | 2x^2+12x=6 | | -128=2(-7x-8) | | -3(t+5)+4(t+2)=8 | | Y=2.10(150)+440 | | (3x+4)+(5x-16)=180 | | 27+3y+5+2y-7=180 | | -3(1+7n)=-129 | | 2x^2+4x-64=0 | | 8m+7-11m=-8 | | -5(6-4v)+8v=110 | | 7x+28-6x-3= | | xd+6y=k |

Equations solver categories