5(a-7)=15a-(4a-20)

Simple and best practice solution for 5(a-7)=15a-(4a-20) 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 5(a-7)=15a-(4a-20) equation:


Simplifying
5(a + -7) = 15a + -1(4a + -20)

Reorder the terms:
5(-7 + a) = 15a + -1(4a + -20)
(-7 * 5 + a * 5) = 15a + -1(4a + -20)
(-35 + 5a) = 15a + -1(4a + -20)

Reorder the terms:
-35 + 5a = 15a + -1(-20 + 4a)
-35 + 5a = 15a + (-20 * -1 + 4a * -1)
-35 + 5a = 15a + (20 + -4a)

Reorder the terms:
-35 + 5a = 20 + 15a + -4a

Combine like terms: 15a + -4a = 11a
-35 + 5a = 20 + 11a

Solving
-35 + 5a = 20 + 11a

Solving for variable 'a'.

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

Add '-11a' to each side of the equation.
-35 + 5a + -11a = 20 + 11a + -11a

Combine like terms: 5a + -11a = -6a
-35 + -6a = 20 + 11a + -11a

Combine like terms: 11a + -11a = 0
-35 + -6a = 20 + 0
-35 + -6a = 20

Add '35' to each side of the equation.
-35 + 35 + -6a = 20 + 35

Combine like terms: -35 + 35 = 0
0 + -6a = 20 + 35
-6a = 20 + 35

Combine like terms: 20 + 35 = 55
-6a = 55

Divide each side by '-6'.
a = -9.166666667

Simplifying
a = -9.166666667

See similar equations:

| -15.00-12.00z=-123 | | (8)+(-10)= | | 8y=6(5y-6) | | 7a-6-a-2=b | | (5x+4)(3x^2-5x+2)=0 | | 4z-2(z-6)=2+3z | | 3x+15=5+x | | 6x^2+17-10=0 | | f(1)=7*1-9 | | 15/28x4/9 | | 42=7/3v | | 7+n+1=(1-n)forn | | y=-2*18+20 | | 8-x=16+3x | | y=-2*9+70 | | 3(2y+6)=4y-8 | | k^2-14k-63=0 | | (6x^2+36)/(2x^2+12) | | 6=v+5 | | 5=4x+31/3 | | 5=8+w | | 2=-3+w | | 3/8z-2/3z | | U-9=-2 | | 9x-3=3x-3 | | 6w+18-9w=-12 | | 2/3k+14k=22 | | 1/4y-5/12y | | 10.4+v/8=-2.4 | | t/6.87=-0.2 | | 115-5x=40x+20 | | x/4.4=15.6 |

Equations solver categories