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Simplifying 12(7x) = (3x) Remove parenthesis around (7x) 12 * 7x = (3x) Multiply 12 * 7 84x = (3x) Solving 84x = (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. 84x + (-3x) = (3x) + (-3x) Combine like terms: 84x + (-3x) = 81x 81x = (3x) + (-3x) Combine like terms: (3x) + (-3x) = 0 81x = 0 Divide each side by '81'. x = 0 Simplifying x = 0
| x^2+14x=-33 | | z^2+iz+(1-3i)=0 | | 4-2(4x+3)=7-5x | | -2(5p+3)=-8p-10 | | 2(2n+6)=-37-3n | | 8(1-7x)=8-7x | | 4(4+2n)=7n+13 | | -7(3r-1)=27-r | | 0,12*16,20=x | | 7n+4=53 | | 6(x-7)-6=22-8x | | 35y=12y | | 5b+2(-6+4b)=24+b | | -3(-7+5)=-15-7v | | 5-y=10.5 | | -4(4m-2)=-8m | | 3(n+9)=45 | | 2x-5x=-5x+10 | | -8.76-2.8t=5.2(t+4.4) | | 4-7p=1-8p | | 20t=12 | | 2x+9=81 | | 3n+9=54 | | 8n-1=3+7n | | n-4=3 | | (40-x)3=4+x | | Y=x^2+6x-11 | | n-13=26 | | 8v-6(-3-3v)=122 | | 4x+15=50 | | 5x-6(-8-6x)=265 | | 45=2 |