7(x+3)=15x-15

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


Simplifying
7(x + 3) = 15x + -15

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

Reorder the terms:
21 + 7x = -15 + 15x

Solving
21 + 7x = -15 + 15x

Solving for variable 'x'.

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

Add '-15x' to each side of the equation.
21 + 7x + -15x = -15 + 15x + -15x

Combine like terms: 7x + -15x = -8x
21 + -8x = -15 + 15x + -15x

Combine like terms: 15x + -15x = 0
21 + -8x = -15 + 0
21 + -8x = -15

Add '-21' to each side of the equation.
21 + -21 + -8x = -15 + -21

Combine like terms: 21 + -21 = 0
0 + -8x = -15 + -21
-8x = -15 + -21

Combine like terms: -15 + -21 = -36
-8x = -36

Divide each side by '-8'.
x = 4.5

Simplifying
x = 4.5

See similar equations:

| -21+13=-m | | y-5=c | | -20y-3=-7 | | 6b+6-b=6(b-6)+7 | | h=-16t+28t+8 | | -111=9a-12 | | 7+2(2x-9)=0 | | 1y-4=0 | | 3n*7=63 | | x^2+3xy=29 | | 2b=9+1b | | 2c+4d+2d= | | f(x)=40x-32 | | 12a+8=23-3a | | 10x^2-35x-45=0 | | 54x^2-84x+16=0 | | i^7=0 | | (x+92)=5x | | 2a^2-5a-30=0 | | (3y+1)(3y+1)=100 | | 9-3(2x-3)=3x-1 | | 15x^2-57x-90=0 | | y=20+x | | 9x-81=-3x-15 | | 8x-10+-4(x+3)=2 | | 4x^2+5x+21=3x^2+21x-42 | | -5(0.3x+0.2)-3.8=-0.3 | | -5y+43=7(y+1) | | 9x=30+11x | | 2(5n+3)=8n+2 | | 28=-14w+16 | | 2x+2.2=7.8 |

Equations solver categories