x-7=3(x-15)

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


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

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

Reorder the terms:
-7 + x = 3(-15 + x)
-7 + x = (-15 * 3 + x * 3)
-7 + x = (-45 + 3x)

Solving
-7 + x = -45 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
-7 + x + -3x = -45 + 3x + -3x

Combine like terms: x + -3x = -2x
-7 + -2x = -45 + 3x + -3x

Combine like terms: 3x + -3x = 0
-7 + -2x = -45 + 0
-7 + -2x = -45

Add '7' to each side of the equation.
-7 + 7 + -2x = -45 + 7

Combine like terms: -7 + 7 = 0
0 + -2x = -45 + 7
-2x = -45 + 7

Combine like terms: -45 + 7 = -38
-2x = -38

Divide each side by '-2'.
x = 19

Simplifying
x = 19

See similar equations:

| x-7=3(x-12) | | 7/x-2=24/x-15/2x | | 5(-3y-1)-3(2y)=19 | | 13-2(4r-5)=5-(7+8r) | | logx=24000000 | | -4/5y-7=-3 | | 2(2v-9)+1=-5v-17+9v | | -6a+16=2a-40 | | 7-2x=0.5 | | 6x=3+5y | | 64/a^3 | | 5k+3=2k+12 | | f(x)=3x^2-x^3+4 | | -2(3a-8)=2/3(3a-60) | | f(x)=2x^4-16x^2+3 | | 5x+2x=6x+1 | | 5(2p-6)=-4(p-3) | | 1/3x^2-20/9x-7/9=0 | | 1|3x^2-20/9x-7/9=0 | | 19+42+g=87 | | 13n+26=8n-29 | | 120-120*X=100 | | -42+w=102 | | 60-2x=y | | X^2+-1x+4=0 | | 7=8z-6 | | X^2+2x=2x+81 | | 77-w=-18 | | x=0.85x+1.2 | | -9(m+3)+14=-49 | | 6x-3-11-8x=-2 | | x=0.8x+0.8 |

Equations solver categories