3(7-3x)+7x=20

Simple and best practice solution for 3(7-3x)+7x=20 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 3(7-3x)+7x=20 equation:


Simplifying
3(7 + -3x) + 7x = 20
(7 * 3 + -3x * 3) + 7x = 20
(21 + -9x) + 7x = 20

Combine like terms: -9x + 7x = -2x
21 + -2x = 20

Solving
21 + -2x = 20

Solving for variable 'x'.

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

Add '-21' to each side of the equation.
21 + -21 + -2x = 20 + -21

Combine like terms: 21 + -21 = 0
0 + -2x = 20 + -21
-2x = 20 + -21

Combine like terms: 20 + -21 = -1
-2x = -1

Divide each side by '-2'.
x = 0.5

Simplifying
x = 0.5

See similar equations:

| (X+16)-16=c | | 680/3400000= | | x+(x*.06)=11.18 | | h(t)=-16t^2+128t+10 | | 12-2x/4=1 | | 1/8(c•x)=x | | 12-2x/4 | | -2-10b-6-35b=52 | | (6.8*100)/(3.4*1000000)= | | 9+-3= | | -2-10b-6-35b=35 | | 1/8(cx)=x | | 3x+9=7x+25 | | 8cd^9/2c6-8d^4 | | 6/x-1=3/4 | | 2×9=t/5 | | (x+7)-c=x | | 0.00645*0.00004302*0.000000035= | | 3x-1=19+x | | 2(4g+6)=2(6g+9) | | 4x^2-9=231 | | 1/2(n-27/8)=n-5/112 | | x^2-6=-31 | | 0.00008*640000000= | | (0.7x)+x=51 | | y=50+1.25x | | 1/2(n-27/8) | | 2x-4=18-2(6-x) | | -7-4x=-6x-13 | | 7×6=j/3 | | 6x+15=4x | | 2x^2+4=16 |

Equations solver categories