15(a-4)=-8-7

Simple and best practice solution for 15(a-4)=-8-7 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(a-4)=-8-7 equation:


Simplifying
15(a + -4) = -8 + -7

Reorder the terms:
15(-4 + a) = -8 + -7
(-4 * 15 + a * 15) = -8 + -7
(-60 + 15a) = -8 + -7

Combine like terms: -8 + -7 = -15
-60 + 15a = -15

Solving
-60 + 15a = -15

Solving for variable 'a'.

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

Add '60' to each side of the equation.
-60 + 60 + 15a = -15 + 60

Combine like terms: -60 + 60 = 0
0 + 15a = -15 + 60
15a = -15 + 60

Combine like terms: -15 + 60 = 45
15a = 45

Divide each side by '15'.
a = 3

Simplifying
a = 3

See similar equations:

| -5.1(2p+4)-1.4(3p-5)= | | 10x+5y+80=180 | | 100[0.05(z+6)]= | | 2(4x)= | | n/570=4.75 | | 8k+8=-3k-3 | | 5/9*8 | | (7y-28)(8y+30)=0 | | 3/4=x-1/2 | | x^2+14x-99=-4 | | 2/3(x-6) | | 2+5/3k-10=-2/3k-10^2 | | 1/5(r+6)=1/7(r+8) | | v/7=56 | | -5.3(3p+5)-1.4(4p-6)= | | 5.5=y+3.7 | | y^2+2y+4x-7=0 | | 7/9x+7=-21 | | 4=z-8 | | y=4-2/5x | | -1+1=11 | | 12x-7x^2+64=0 | | -14x-12=3x+5 | | 64x^2+4=68 | | 117=x+99 | | 5/9(8+c)=-48 | | [-22]-x=5+6x+9 | | 32x=7(x+5) | | 9x^2+7=10 | | x^4+54=15x^2 | | Z/6-5/8=7/8 | | [-7a]-10=20-3a |

Equations solver categories