3(7+x)=8

Simple and best practice solution for 3(7+x)=8 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+x)=8 equation: 


Simplifying
3(7 + x) = 8
(7 * 3 + x * 3) = 8
(21 + 3x) = 8

Solving
21 + 3x = 8

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 + 3x = 8 + -21

Combine like terms: 21 + -21 = 0
0 + 3x = 8 + -21
3x = 8 + -21

Combine like terms: 8 + -21 = -13
3x = -13

Divide each side by '3'.
x = -4.333333333

Simplifying
x = -4.333333333

See similar equations:

| 6x-8x+10=4x+6 | | 4a+6=-10 | | 11c-33=8c | | -4w^2-12w-5=0 | | 7(y-4)-7=10 | | 10-9=x+9-9 | | 14x-7=20x-5 | | 8+5x-7x=23+7x | | 8(2x+1)(x+5)=-121 | | 8m+7=-1 | | 5(3-6)=12x | | -x+8=x-14 | | 14x-7=2-x-5 | | 9a-18+15=33 | | 12.25=0.75+h | | 8y-12y=16 | | 8n+3=-3 | | 12x+10=21 | | 12.25-h=0.75 | | 5y-3(y-3)+5= | | 4(2y+9)+7=(-24) | | 18=2x+4 | | 5x+13=72 | | -2+8=-12 | | 0.75h=12.25 | | -2x^2+92x-290=0 | | 5m+12=-13 | | -5.1=3x+2.4 | | -6x-23=4x+37 | | 2v+3(8-v)=(-16) | | 4x^2-21x+25=-5x+10 | | -6-(-3)= |

Equations solver categories