7(3x+9)=84

Simple and best practice solution for 7(3x+9)=84 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 7(3x+9)=84 equation: 


Simplifying
7(3x + 9) = 84

Reorder the terms:
7(9 + 3x) = 84
(9 * 7 + 3x * 7) = 84
(63 + 21x) = 84

Solving
63 + 21x = 84

Solving for variable 'x'.

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

Add '-63' to each side of the equation.
63 + -63 + 21x = 84 + -63

Combine like terms: 63 + -63 = 0
0 + 21x = 84 + -63
21x = 84 + -63

Combine like terms: 84 + -63 = 21
21x = 21

Divide each side by '21'.
x = 1

Simplifying
x = 1

See similar equations:

| 7(t-5)+3t=5(2t+4)-10 | | -14=-x-2 | | a=bxt+3 | | -10=10n | | x+3=2x+3 | | 5(3x-2)-8(x+1)= | | 5x+8=-4+7x | | -x+3=17 | | 4*120=(3.14*x*x) | | t=rt | | m-2.7=-1.5+1 | | -(4y+2)-(-3y-7)=4 | | -9-6x=4x-49 | | 3c-5=4x-1 | | (4+105x)+5= | | 4m+3m=13-m | | 6x+y=5 | | 2[p-(4p+8)+2]=2(p+6) | | -2-x=-7x+52 | | 135=11x+5+15x | | 3x+(4y-10)-9y+x+2= | | 2-2-x=-7x+52 | | 5x+1=x+41 | | (3b+7)(2b-5)= | | 9p+-3p=45 | | -3(2s-3)-9=-2(7s+9)-2 | | 3n/5-6=0 | | 9+2.7t=-4.8t-60 | | 3v-27=56v+4 | | 85=4x+7x+8 | | 6x+3+7x=120 | | 1+7b+6B=2b+1 |

Equations solver categories