7(a-7)+12=4(a-7)

Simple and best practice solution for 7(a-7)+12=4(a-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 7(a-7)+12=4(a-7) equation:


Simplifying
7(a + -7) + 12 = 4(a + -7)

Reorder the terms:
7(-7 + a) + 12 = 4(a + -7)
(-7 * 7 + a * 7) + 12 = 4(a + -7)
(-49 + 7a) + 12 = 4(a + -7)

Reorder the terms:
-49 + 12 + 7a = 4(a + -7)

Combine like terms: -49 + 12 = -37
-37 + 7a = 4(a + -7)

Reorder the terms:
-37 + 7a = 4(-7 + a)
-37 + 7a = (-7 * 4 + a * 4)
-37 + 7a = (-28 + 4a)

Solving
-37 + 7a = -28 + 4a

Solving for variable 'a'.

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

Add '-4a' to each side of the equation.
-37 + 7a + -4a = -28 + 4a + -4a

Combine like terms: 7a + -4a = 3a
-37 + 3a = -28 + 4a + -4a

Combine like terms: 4a + -4a = 0
-37 + 3a = -28 + 0
-37 + 3a = -28

Add '37' to each side of the equation.
-37 + 37 + 3a = -28 + 37

Combine like terms: -37 + 37 = 0
0 + 3a = -28 + 37
3a = -28 + 37

Combine like terms: -28 + 37 = 9
3a = 9

Divide each side by '3'.
a = 3

Simplifying
a = 3

See similar equations:

| -6(-7n-4)-3n=-6(7n-4) | | 7x^2+3x+3=-5 | | 5(4x-3)+7(7+8x)=-42 | | 176=b+176 | | 4(1+3p)+5(6p-8)=6 | | 7b-1=3(2b-1)+8 | | 20+k=3k | | 6x-8=-6x+112 | | 2(x+3)-x=8 | | 7z^2+15z+2= | | 3(5p-9)-6= | | 7(x-7)=-40+4x | | 9w-10=18+10w | | 16(5c-1)-14=78c+16 | | t-15+4=12 | | 2x^3+3x^2-366x=0 | | 5x+5=x+9 | | 5n+11+2n=60 | | (25-17)squared= | | -11+5b+6-2b= | | -8n+4=-6n-14 | | x^2+4x+6y-8=0 | | y=4x^3-12x | | 16xy-6yz+56xz-21z^2= | | 5(8v-2)=6v-10 | | y^2-7y+10= | | 24wx^2y^4+28w^5x^9= | | xsquared-5x=6 | | 5[5-3(4-b)]-5=5[3(5x-4)+2]-26 | | 3b(-45+-18b+5b^2+2b^3)=0 | | 3b*(2b+5)*(b-3)*(b+3)=0 | | 30-5x=-(-8-6x) |

Equations solver categories