-15=3(3x+7)

Simple and best practice solution for -15=3(3x+7) 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 -15=3(3x+7) equation:


Simplifying
-15 = 3(3x + 7)

Reorder the terms:
-15 = 3(7 + 3x)
-15 = (7 * 3 + 3x * 3)
-15 = (21 + 9x)

Solving
-15 = 21 + 9x

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
-15 + -9x = 21 + 9x + -9x

Combine like terms: 9x + -9x = 0
-15 + -9x = 21 + 0
-15 + -9x = 21

Add '15' to each side of the equation.
-15 + 15 + -9x = 21 + 15

Combine like terms: -15 + 15 = 0
0 + -9x = 21 + 15
-9x = 21 + 15

Combine like terms: 21 + 15 = 36
-9x = 36

Divide each side by '-9'.
x = -4

Simplifying
x = -4

See similar equations:

| 5(2x-5)+6=11 | | .6y+2=1.2y-7 | | 2-a*5=30 | | 21=13x+3 | | m+2m+6=12+2 | | 67-x=82-2x | | 0.3[6+x]=0.4[8-x] | | 7x^2-40=135 | | 5x+21=2x-9 | | 6x-2x=10x-6 | | 11x+6y=138 | | 2(-6x+6)=-84 | | F(x)=2cos(3x-1) | | 6(-7x+10)=102 | | 3x-13x-3= | | 4x+9=-6x+59 | | -6-7x=x-46 | | 2x-25=83 | | 2/5x-7=19 | | 7x+2=26-x | | 19x+18x=17+16 | | 5x+17=7x-13 | | 2(-1x-7)=0 | | 2s(5-4)= | | -6(4x+2)=276 | | (3x-29)=(2x+25) | | 3/9=6/x | | 2(-6x+3)=-78 | | y+4=5.4 | | -3(2x+3)=57 | | -5x+6=-4x+2 | | 25x+25x=50 |

Equations solver categories