3x-3(-3+7)=81

Simple and best practice solution for 3x-3(-3+7)=81 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 3x-3(-3+7)=81 equation:


Simplifying
3x + -3(-3 + 7) = 81

Combine like terms: -3 + 7 = 4
3x + -3(4) = 81

Multiply -3 * 4
3x + -12 = 81

Reorder the terms:
-12 + 3x = 81

Solving
-12 + 3x = 81

Solving for variable 'x'.

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

Add '12' to each side of the equation.
-12 + 12 + 3x = 81 + 12

Combine like terms: -12 + 12 = 0
0 + 3x = 81 + 12
3x = 81 + 12

Combine like terms: 81 + 12 = 93
3x = 93

Divide each side by '3'.
x = 31

Simplifying
x = 31

See similar equations:

| 5x=(-25) | | 30-2t=3t | | 21x^2-8xy-4y^2=0 | | (5x+57)+(3x+67)=180 | | 6k+7=3k-8 | | x/2+6=0 | | x-(2m+5)=18 | | 1(x-12)=-(x+3) | | 1.3x+4.8=15.2 | | -2(x+5)+3=6(x+4)+6 | | 0.48x+3=0.2 | | -8(u+1)=-4u-4 | | -156=3(6x+2) | | 10-7x=6.5 | | 4(2)-1.5=2.5+2(2) | | -8w+26=-5(w-4) | | 8x+2y+3(x+y)-4y= | | 1.1x+3.9=7.2 | | -2(y+4)=2y+4 | | 6x+2=14+2x | | 10x+2=21 | | 2x-80=180 | | 9y+47=-8(y+9) | | 5-x=10-2x | | (9x-64)+100= | | 13=-d+9 | | 2y+5(y-6)=4 | | 2.8=2n | | C(x)=0.8x+10000 | | -1=g+2 | | 5r^3+40r^2=100r | | 16x^3-10x^2+4x= |

Equations solver categories